SEMESTER-4 MECHANICAL ENGINEERING

COURSE TITLE : APPLIED MECHANICS & STRENGTH OF MATERIALS COURSE CODE : 4021 COURSE CATEGORY : A PERIODS/ WEEK : 5 PERIODS/ SEMESTER : 75 CREDIT : 5

TIME SCHEDULE

MODULE TOPIC PERIODS 1 Simple stresses and strains. Shear stress and strain. Thermal stress

and strain

19 2 Friction, centre of gravity and moment of inertia. 18 3 Riveted joint, welded joint, thin cylinders, theory of torsion on shaft 19 4 Torsion on spring, Shear force and bending moment diagram.

Deflection of beams. Column and struts

19 TOTAL 75

Course Distribution: COURSE OUTCOME : sl.no. sub student will be able to

1

1 Understand the simple stress, strain on machine and structures.

2 Comprehend the theory of shear stress & shear strain.

3 Comprehend the laws of friction, centroid and centre of gravity.

2

4 Understand the moment of inertia of a section.

5 Appreciate the strength and efficiency of riveted joints & welded joints

6 Appreciate the effect of forces on spring.

3

7 Comprehend the stresses on thin cylinders and theory of torsion on shaft.

8 Appreciate the shear force and bending moment diagrams.

9 Understand the deflection of beams, theory of columns and struts.

SPECIFIC OUTCOME MODULE I 1.1.0 Understand the simple stress, strain on machine and structures. 1.1.1 Explain the terms stresses and strains, tensile and compressive, longitudinal strain, lateral strain

and Poisson’s ratio. 1.1.2 Draw stress strain diagram for mild steel under tension and identify the significant points. 1.1.3 Draw stress strain diagram for a brittle material and compare it with stress strain diagram of

mild steel.

1.1.4 Explain elastic limit, ultimate stress, working stress and factor of safety. 1.1.5 State Hook’s law. 1.1.6 Define Young’s modulus. 1.1.7 Understand the principles of super position 1.1.8 Solve simple problems involving direct stress and strain, longitudinal strain, lateral strain,

Poisson’s ratio and Young’s modulus for bars of solid, composite and varying sections. 1.1.9 Solve simple problems to compute ultimate stress, working stress, factor of safety and elastic

limit of members under direct tensile load. 1.2.0 Comprehend the theory of shear stress 1.2.1 Explain the shear stress and shear strain. 1.2.2 Define modulus of rigidity. 1.2.3 Define volumetric strain and bulk modulus. 1.2.4 State the relation between Young’s modulus, modulus of rigidity and bulk modulus. 1.2.5 Solve simple problems involving shear stress, shear strain, volumetric strain, modulus of rigidity,

bulk modulus and the relation between three moduli. . 1.3.0 Comprehend the theory of shear strain 1.3.1 Define thermal stress and strain. 1.3.2 Define the coefficient of linear expansion. 1.3.3 Find the magnitude and nature of temperature stresses in a bar of uniform cross section when it

is prevented from expansion or contraction partially or totally by end grips. 1.3.4 Calculate the load on the end grips. 1.3.5 Calculate the magnitude and nature of temperature stress induced in a composite bar made of

two materials. MODULE II 2.1.0 Comprehend the laws of friction 2.1.1 Define friction. 2.1.2 List the types of friction. 2.1.3 Explain static and dynamic friction. 2.1.4 Explain sliding friction, rolling friction, and pivot friction. 2.1.5 Explain the limiting friction. 2.1.6 State the laws of friction. 2.1.7 Explain coefficient of friction, angle of friction and cone of friction. 2.1.8 Analyse the force on a sliding body resting on horizontal plane. 2.1.9 Analyse the force on a sliding body resting on an inclined plane 2.1.10 Solve simple problems based on the laws of friction and force analysis. 2.2.0 Comprehend the centre of gravity of sections. 2.2.1 Define centroid and centre of gravity. 2.2.2 List the methods of finding centre of gravity of simple geometrical shapes. 2.2.3 Find the centre of gravity by geometrical consideration and by moments. 2.2.4 Explain axis of reference and axis of symmetry. 2.2.5 Find the centre of gravity of symmetrical and unsymmetrical geometrical sections. 2.2.6 Find the centre of gravity of plane sections with cut out holes. 2.3.0 Understand the moment of inertia of a section. 2.3.1 Define moment of inertia and radius of gyration. 2.3.2 Derive the expression for the moment of inertia of a rectangular section. 2.3.3 Derive the moment of inertia of a circular section.

2.3.4 State and prove parallel axis theorem and perpendicular axis theorem. 2.3.5 Calculate the moment of inertia of standard geometrical sections.

MODULE III 3.1.0 Appreciate the strength and efficiency of riveted joints, welded joint 3.1.1 List the different types of riveted joints. 3.1.2 Explain the failure of riveted joints. 3.1.3 Define plate value, rivet value, strength and efficiency of riveted joints. 3.1.4 Calculate strength and efficiency of single and double riveted lap joint and but joint. 3.1.5 Illustrate the purpose and procedure of caulking and fullering. 3.1.6 List different types of welded joints on plates 3.1.7 Define different welding terms. 3.1.8 Calculate the strength of welded joints. 3.2.0 Compute the thickness of thin cylinders for various stress conditions 3.2.1 State the failure of thin cylindrical shell due to an internal pressure. 3.2.2 Define stresses in a thin cylinder subjected to an internal pressure. 3.2.3 Calculate the thickness of cylinder. 3.3.0 Comprehend the stresses on thin cylinders and theory of torsion on shaft 3.3.1 Derive the torsion equation and state the assumptions. 3.3.2 Understand the expression for strength of solid and hollow shaft. 3.3.3 Understand the equation for power transmitted by the shaft. 3.3.4 Define polar moment of inertia. 3.3.5 Calculate strength and power of solid shaft and hollow shaft. MODULE IV 4.1.0 Appreciate the effect of forces on spring 4.1.1 List the types of springs. 4.1.2 Distinguish between closely coiled and open coiled helical spring. 4.1.3 Define the terms spring index and stiffness. 4.1.4 Understand the expressions for deflection, stiffness, torque and energy stored in the spring. 4.1.5 Calculate the stress induced diameter, deflection and stiffness of closely coiled helical spring

subjected to axial loads. 4.2.0 Appreciate the shear force and bending moment diagrams 4.2.1 Explain types of beams and loading. 4.2.2 Define shear force and bending moment. 4.2.3 Draw bending moment and shear force diagram for cantilever with point load. 4.2.4 Draw bending moment and shear force diagram for cantilever with uniformly distributed load. 4.2.5 Draw bending moment and shear force diagram for cantilever with point load and Uniformly

distributed load. 4.2.6 Draw bending moment and shear force diagram for simply supported beam with point load. 4.2.7 Draw bending moment and shear force diagram for simply supported beam with uniformly

distributed load. 4.2.8 Draw bending moment and shear force diagram for simply supported beam with point load and

uniformly distributed load. 4.2.9 Calculate the maximum bending moment on the section.

4.2.10 Understand overhanging beam and point of contra flexure. 4.3.0 Compute deflection and slope of beams 4.3.1 Derive the equation for simple bending 4.3.2 Define the slope and deflection. 4.3.3 Calculate the maximum deflection and slope of simply supported beam with central point load. 4.3.4 Calculate the maximum deflection and slope of simply supported beam with uniformly

distributed load over entire span. 4.3.5 Calculate the maximum deflection and slope of cantilever beam with a point load at free end. 4.3.6 Calculate the maximum deflection and slope of cantilever beam with uniformly distributed load

over entire span. 4.4.0 Apply the theory of axial loads 4.4.1 Define column and struts. 4.4.2 Distinguish between long and short columns. 4.4.3 Define the terms buckling load or crippling load, effective length and slenderness ratio . 4.4.4 State Euler’s formulae and Rankine’s formula. 4.4.5 Calculate the slenderness ratio, equivalent length and buckling load on columns using the two

formulae under different end conditions.

CONTENT DETAILS MODULE I l. Direct Stresses and strains Types of stresses and strains - tensile and compressive - longitudinal and lateral strain -Poisson's ratio – (Review of stress strain diagram - behavior of mild steel & brittle material under tension and identify the significant points-limit of proportionality - elastic limit - yield point) - ultimate stress - working stress - factor of safety - Hooks law and Young's modulus –principle of super position- stresses in varying section -stresses in composite section - simple problems. 2. Shear stress and shear strain Shear stress and shear strain - modulus of rigidity - volumetric strain- Young’s Modulus (E)- Bulk Modulus ( K) and Modulus of Rigidity (C) relations-simple problems 3. Thermal Stress and strain Nature and magnitude of stresses due to change in temperature - total or partial prevention of expansion and contraction in a bar of uniform cross section - temperature stress on composite bar- simple problems. MODULE II 1. Friction Introduction - type of friction - static friction- dynamic friction- sliding friction- rolling friction- pivot friction- limiting friction- angle of friction- coefficient of friction- cone of friction - state laws of friction. - Static friction and dynamic friction - force analysis of a sliding body resting on a horizontal plane -inclined plane - force acting parallel to the base - along the plane and at an angle.

2. Centre of gravity of sections Centroids - centre of gravity - axis of symmetry and axis of reference – CG of simple geometric sections

such as rectangle- triangle- circle and semicircle sections by geometric consideration - combinations of

symmetrical sections such as T- I and channel sections combinations of unsymmetrical sections such as L section. - Plane sections with cut out holes. 3. Moment of inertia of sections

Moment of inertia - radius of gyration - methods to find moment of inertia plane area - moment of inertia of rectangular and circular sections by integration method - parallel axis theorem-perpendicular axis theorem - moment of inertia of standard geometrical sections such as T -I- L and channel sections. MODULE III 1. Rivet Types - lap joint - single riveted- double riveted ( chain and zigzag ) - butt joint - single cover single riveted- double cover single riveted) - failure of riveted joints - failure of rivets - shearing and crushing - failure of plates - tearing across a row of rivets - tearing off plate at an edge - strength of rivet- strength of plate and strength of riveted joint - efficiency of a riveted joint - simple problems on single and double riveted lap joint- single cover and double cover single riveted butt joint - caulking and Fullering operations.

2. Welded joints Types of fillet and butt welds - welding terms - leg of the weld- size of the fillet weld- throat thickness-

effective length of the weld- side fillet weld and end fillet weld - strength of welded joints - fillet and butt - parallel welds -combination of transverse and parallel welds - butt welds (flat plates only). 3. Thin Cylinders Introduction - failures of thin cylinder - stresses in thin cylindrical shell - hoop stress -longitudinal stress - simple problems to calculate thickness and pressure of thin cylinders with joint efficiency.

4. Torsion of circular shafts Introduction-assumptions for shear stress in a circular shaft subjected to torsion - torsion equation

derivation- strength equation for solid and hollow shaft - power equation -polar moment of inertia -simple problems to calculate strength and power.

MODULE IV 1. Springs

Introduction - types of spring - leaf spring - helical springs - closely coiled and open coiled helical spring with round wire – spring index - formulae for deflection- stiffness- torque and energy stored ( no proof ) -simple problems on closely coiled helical springs subjected to an axial load to find out stress induced- deflection -stiffness and diameter. 2. Shear force and bending moment Types of beams - cantilever beam- simply supported beam- over hanging beam- built in beam or fixed beam and continuous beam - types of loading - concentrated or point load- uniformly distributed load and uniformly varying load - shear force and bending moment diagrams - cantilever beams - point load- uniformly distributed load and combination of point load and uniformly distributed load - simply supported beam - point load- uniformly distributed load and combination of point load and uniformly distributed load - maximum bending moment on the section. Introduction to overhanging beam – Point of contra flexure. 3. Deflection of beams

Introduction –derivation of bending equation – M/I = σb /Y = E/R - simply supported beam with central point load (no proof) - simply supported beam with uniformly distributed load on entire span (no proof) - cantilever with a point load at the free end (no proof) — cantilever with a uniformly distributed load over entire span (no proof) - simple problems on cantilever and simply supported beams. 4. Columns and struts Introduction - column- strut- buckling load- equivalent length- slenderness ratio - types of columns - short column- medium size column- long column - Euler's equations and its assumption for crippling load for different end conditions (no proof) - both end hinged -one end is fixed and other is free- one end is fixed and other is hinged- both ends fixed-equivalent length - Rankine's formulae for columns - simple problems on columns to calculate buckling load- slenderness ratio- equivalent length on different end conditions. TEXT BOOKS 1. Strength of Materials - R.S. Khurmi, S.Chand & Company Ltd

2. Engineering Mechanics - Dr. R.K.Bansal, Lakshmi Publishers

3. Strength of materials – SS Bhavikatti Vikas Publishing House

REFERENCE

1. Strength of Materials - Dr. R.K.Bansal, Lakshmi Publishers

2. Strength of Materials - Ramamrutham, Dhanpat rai & sons

3. Engineering Mechanics - Dr. R.K.Bansal, Lakshmi Publishers

4. Applied Mechanics and Strength of Materials - R.S. Khurmi, S.Chand & Company Ltd

5. Theory of Machines - Sadhu Singh, Pearson

COURSE TITLE : AUTOMOBILE ENGINEERING COURSE CODE : 4022 COURSE CATEGORY : B PERIODS/ WEEK : 4 PERIODS/ SEMESTER : 60 CREDIT : 4

TIME SCHEDULE

MODULE TOPIC PERIODS 1 Systems in IC Engines, 12 2 Power transmission system in automobiles. 15 3 Know the working of suspension system.

Understand the different types of Wheels & Tyres Understand the brakes in Automobiles

18

4 Modern trends in automobile engineering. Understand the Emissions in Automobiles

15

TOTAL 60 Remarks based on feedback from students, faculty, industry (revision 2010): COURSE OUTCOME : Sl.No. Sub Student Will Be Able To

1

1 Understand the different systems in IC engines.

2 Comprehend the power transmissions system in automobile.

3 Appreciate the working of suspension system.

2

4 Understand the different types of wheels & tyres

5 Comprehend the different brake systems in automobiles

6 Appreciate the modern trends in automobile engineering.

3 7 Understand the emissions in automobiles

SPECIFIC OUTCOME MODULE I 1.1.0 Understand the working of different systems of I.C. Engines 1.1.1 Illustrate the fuel system of petrol engine and functions of each components 1.1.2 Define carburetion and functions of carburetor 1.1.3 Explain with simple sketches, the working of simple carburetor (An idea about Solex carburetor) 1.1.4 Illustrate the fuel system of diesel engine and functions of each components 1.1.5 Explain with sketches the working of coil ignition and magneto ignition systems

1.1.6 State the functions of cooling system and classify 1.1.7 Compare air cooling and water cooling systems 1.1.8 Describe the function of radiators 1.1.9 List the different types of coolants 1.1.10 Explain the working of thermostat, temperature indicator and water pump in cooling system 1.1.11 Comprehend the different properties of lubricants and its purpose in IC engines 1.1.12 Describe splash system, forced system and (mist)/petroil system 1.1.13 Explain Governing system and types MODULE II 2.1.0 Understand the working of Transmission system in Automobiles 2.1.1 Illustrate the working of the transmission system and its components in Automobiles 2.1.2 State the functions and list the requirements of a good clutch 2.1.3 Explain with sketches the working of a single plate and multiple clutches, centrifugal clutch and

fluid coupling. 2.1.4 List the functions of gear box 2.1.5 Explain with neat sketches the working of sliding mesh, constant mesh and Synchromesh gear

box. 2.1.6 Explain the working principle of a Epicyclic gear box, and overdrive. 2.1.7 Explain with sketches the function, construction and working of propeller shaft, universal joint,

CV joint and final drive 2.1.8 Illustrate the function and working principle of differential. 2.1.9 Explain stub axle and wheel mountings 2.1.10 Explain the types of live rear axle 2.1.11 Describe semi floating rear axle, three quarter floating axle and full floating axle. MODULE III 3.1.0 Understand the working of suspension system in Automobile 3.1.1 State the function of suspension system and its advantages. 3.1.2 Explain rear suspension – Independent, leaf spring, spring shackle & shock absorbers. 3.1.3 Explain the types of steering gears – worm and worm sector, rack and pinion and re-circulating

ball steering gear 3.1.4 Illustrate steering geometry – camber, caster, king pin inclination, toe in and toe out 3.1.5 Describe Dynamics of vehicle - yawing, pitching, rolling, bouncing 3.2.0 Understand the different types of Wheels and Tyres 3.2.1 Understand different types of wheels – spoked wheels, disc wheels and cast wheels 3.2.2 Distinguish wheel size and tyre size 3.2.3 Distinguish tube-less tyres and tubed tyres. 3.2.4 Describe tyre material 3.2.5 Distinguish inflation pressure and tyre wear. 3.3.0 Understand the different brake systems in Automobiles. 3.3.1 Illustrate mechanical and hydraulic brake system 3.3.2 Describe dual brake system 3.3.3 Explain the functions of a master cylinder, brake shoes and brake lining. 3.3.4 Explain leading and trailing of brake.

3.3.5 Explain bleeding of brakes 3.3.6 Explain functioning of disc brake and pneumatic brake system. MODULE IV 4.1.0 Understand the modern trends in Automobile Engineering 4.1.1 Describe the working of electronic ignition system 4.1.2 Illustrate the working of multi point fuel injection system (MPFI) and common rail direct fuel

injection system (CRDI) 4.1.3 Describe turbo charger and inter cooler 4.1.4 Explain the working of fully automatic transmission system. 4.1.5 Describe air suspension system. 4.1.6 Explain power steering, central locking and power window. 4.1.7 Explain the working of electronic control module (ECM) 4.1.8 Know about protection system in Automobiles - Air bag, Anti lock braking system (ABS), Self

inflating tyres, roll over protection system, electronic stability control (ESC),Blind spot detection and parking aid with ultra sonic sensors

4.2.0 Understand the Emissions in Automobiles 4.2.1 Explain emissions from automobiles 4.2.2 Explain pollution control and emission standards

CONTENT DETAILS MODULE I Study the working of different power systems of I C Engines. Different systems of I C engines- Fuel systems- - components - air fuel ratio for different engine speeds.-A C mechanical pump -carburetion - functions of carburetor -working -Solex carburetor -fuel systems of diesel engine -fuel filter - working of Diesel pump - fuel system of diesel engine - components-injectors Coil ignition and magneto ignition system. Cooling system and classification- air cooling and water cooling systems- radiators -types of coolants - thermostat- temperature indicators and water pumps in cooling system – Properties of lubricants - purpose in IC engines- splash system- forced system and (mist)/ petroil system- governing system in IC Engines- types- Quantity- Quality- hit and miss romutomobil MODULE II Transmission systems in automobile - working - clutch functions - requirements of clutch -single plate - multi plate - diaphragm - automatic and centrifugal clutch. Fluid coupling. - Gear box - functions- working- types- sliding mesh - constant mesh - synchromesh — epicycle gear box - torque converter over drive. Propeller shaft - universal joint - C V joint - final drive -differential. Stub axle - types of live rear axle - semi floating - three quarter floating and full floating axles

MODULE III Understand the working of suspension systems and steering. Independent suspensions - leaf spring - spring shackle - air suspension -steering wheel - steering column - steering gears - worm and worm sector - rack and pinion –re circulating ball - power steering - centre point steering - steering geometry - camber -caster -king pin inclination - toe in and toe out. Understand wheels & tyres .Types of wheels - Disc wheels - cast wheels - size of wheel and Tyre- tubeless tyres and tubed tyres - ply-rating -bias -radial -tyre material - inflation pressure - tyre wear Understand Brakes brakes - hydraulic -pneumatic - mechanical - dual brake system - master cylinder - leading and trailing brake -break shoes - lining - material - bleeding of brakes - disc brake - pneumatic brake MODULE IV Understand newer developments in vehicles. Working of electronic ignition system - multi point fuel injection system (MPFI) and common rail fuel injection system (CRDI) - turbo charger and inter cooler- automatic transmission system. -air suspension System. - Power steering- central locking and power window.-electronic control module (ECM)-Electronic wheel alignment& balancing Know about protection system in Automobiles – Air bag- Anti lock braking system (ABS) - Self inflating tyres- roll over protection system- electronic stability control (ESC)-Blind spot detection and parking aid with ultra sonic sensors Introduction to alternate fuels used in automobiles Understand the emissions in automobiles Emissions from automobiles- nitrogen oxides - soot - carbon monoxide - hydrocarbons - aldehides -pollution control techniques - pollution control and emission standards- Euro IV- Bharat Stage IV+. TEXT BOOKS

1. Automobile Engineering vol.I&2 - Kirpal Singh

2. Automobile Engineering - K.Ramalingam.

3. Automobile Engineering -R.K.Rajput.

4. Automobile Engineering - Sudhir Kumar Saxena – University science press

REFERENCE 1. Automobile Engineering 2 nd edition - Ramaligam. , Seitech Publications..

2. Automobile Engineering - R.B.Gupta , Khanna Publishers

3. Automonile Engineering - Station Aby.

4. Automotive Mechanics - Heitner

5. Automotive engines - Crouse & Anglin

COURSE TITLE : METTALLURGY AND MACHINE TOOLS COURSE CODE : 4023 COURSE CATEGORY : B PERIODS/ WEEK : 5 PERIODS/ SEMESTER : 75 CREDIT : 5

TIME SCHEDULE

MODULE TOPIC PERIODS 1 Understand the structure of metals, Equilibrium diagram, heat

treatment & Powder Metallurgy

20 2 Metal cutting and cutting fluids & Lathes 20 3 Drilling & Milling machines 19 4 Shaping , Slotting & Planning Machines 16

TOTAL 75 Remarks based on feedback from students, faculty, industry (revision 2010): COURSE OUTCOME :

Sl.No. Sub Student Will Be Able To

1

1 Understand the structure of metals

2 Understand the equilibrium diagram (Iron carbon, TTT diagram etc.) and heat treatment processes.

3 Comprehend the importance of Powder Metallurgy

4 Understand the various aspects of metal cutting and cutting fluids.

5 Understand the classification, parts and application of lathes.

6 Comprehend the drilling & milling processes & machines.

7 Appreciate the shaping, slotting and planning machines and classifications.

SPECIFIC OUTCOME MODULE I 1.1.0 Understand the structure of metals 1.1.1 Identify the changes in crystal structure w.r.t. temperature. 1.1.2 Illustrate the cooling curve for pure iron. 1.1.3 List the crystal defects and crystal imperfections. 1.1.4 Describe the crystal growth and grain formation. 1.1.5 State the effects on rate of cooling. 1.1.6 Explain the effects of grain size on properties.

1.1.7 Illustrate the plastic deformations of metals- slip and twinning. 1.1.8 Identify the property changes by deformation- work hardening, solid solution hardening, and

strain hardening. 1.2.0 Understand the equilibrium diagram (Iron carbon, TTT diagram etc.) and heat treatment

processes. 1.2.1 Classify the different types of alloys -Solid solutions, Inter metallic compounds & Mechanical

mixture. 1.2.2 Explain the cooling of alloys- Eutectic, Eutectoid, Peritectic, Peritectoid . 1.2.3 Draw the iron-carbon equilibrium diagram. 1.2.4 Identify the various phases of iron-carbon equilibrium diagram. 1.2.5 Describe the iron-carbon equilibrium diagram. 1.2.6 Identify the constituents of steel from the iron-carbon equilibrium diagram. 1.2.7 Explain the effect of slow cooling for various compositions. 1.2.8 Distinguish the TTT diagram / C curve/ S curve. 1.2.9 Describe the Continuous Cooling Transformation diagram (CCT diagram). 1.2.8 Justify the needs for the heat treatment processes. 1.2.9 List the various heat treatment processes. 1.2.10 Explain the processes - annealing, normalizing, hardening, tempering, mar tempering,

austempering, case hardening (cyaniding, nitriding and carburizing), 1.2.10 Describe the residual stress due to heat treatment. 1.2.12 State the methods to relieve residual stresses due to heat treatment. 1.2.13 Explain the Heat treatment of aluminum- age hardening 1.3.0 Comprehend the importance of Powder Metallurgy 1.3.1 State the importance of powder metallurgy. 1.3.2 Describe the various methods manufacturing metal powder such as mechanical pulverization,

electrolytic process, chemical reaction and atomization. 1.3.3 List the advantages of Powder Metallurgy. MODULE II 2.1.0 Understand the various aspects of metal cutting 2.1.1 Draw the geometry of orthogonal cutting. 2.1.2 Explain the action of cutting tool by orthogonal cutting and oblique cutting. 2.1.3 Explain the chip formation with diagram. 2.1.4 Name the various types of chips. 2.1.4 Distinguish the effect of cutting speed, feed and depth of cut on cutting force. 2.1.5 Explain about the tool signature/ nomenclature of the single point cutting tool. 2.1.6 List the various cutting tool materials. 2.1.7 Compare the properties of various cutting tool materials 2.1.7 List the factors affecting the life of cutting tools 2.1.8 Illustrate the the term machinability of a material. 2.1.9 Mention the energy efficiency in metal cutting 2.1.10 List the factors affecting energy efficiency the metal cutting 2.2.0 Understand the various aspects of cutting fluids 2.2.1 List the functions of cutting fluids

2.2.2 Explain the desirable properties of cutting fluids 2.2.3 Describe the method of application of lubrication - minimum quantity lubrication (mql) 2.2.4 Give examples for the various types of cutting fluids and their selection for an application 2.2.5 Analyze the effect of coolants on cutting variables (speed, feed and depth of cut) 2.3.0 Understand the classification, parts and application of lathes 2.3.1 List the type of lathes 2.3.2 Illustrate the centre lathe 2.3.3 Explain the functions of each part 2.3.4 List the various work holding devices in lathe 2.3.5 Explain the work holding devices 2.3.6 List the tool holding devices 2.3.7 Explain the tool holding devices 2.3.8 Describe the sequence of steps to be followed in performing the following operations on lathe

with line sketches of turning, centering, facing, forming, taper turning, thread cutting, drilling, boring and.

2.3.9 Identify the tapers – standard forms- Morse taper series 2.3.10 List the different methods of taper turning 2.3.11 Determine the included angle for taper turning- by compound rest, tail stock set over method 2.3.12 Calculate the gear train ratio for cutting specified screw threads 2.3.13 Select the correct feed, speed and depth of cut for different operations for different engineering

materials MODULE III 3.1.0 Comprehend the drilling machines & processes 3.1.1 Classify the drilling machines 3.1.2 Identify the various parts of drilling machine and their functions 3.1.3 List the work holding devices for drilling 3.1.4 Explain the work holding devices for drilling 3.1.5 List the different types of drill bits 3.1.6 Explain the different types of drill bits with sketch 3.1.7 Give the nomenclature of taper shank twist drill. 3.1.8 List the different tool holding devices for drilling. 3.1.9 Explain tool holding devices for drilling 3.1.10 List the different drilling machine operations 3.1.11 Explain the specification of twist drill. 3.1.12 Describe the different drilling machine operations 3.1.13 Explain the specification of drilling machine 3.1.14 Select the feed, speed and depth of cut for a given operation. 3.2.0 Comprehend the milling machines & processes 3.2.1 Describe the working of different milling machines with line sketches – horizontal/ vertical. 3.2.2 Identify the parts and their functions. 3.2.3 Select the right type of milling cutter for a given operation 3.2.4 Illustrate the work holding devices for milling 3.2.5 Explain the milling cutter holding devices 3.2.6 Explain the milling operations.

3.2.7 Describe the milling methods briefly such as Up-Milling, Down milling , Plain, gang & straddle milling

3.2.8 Name the parts of an indexing head 3.2.9 Explain the different types of indexing methods- plane & direct 3.2.10 Describe the sequence of operations carried out by milling machines during operations such as

spur gear cutting, helical gear cutting 3.2.11 Classify the milling cutters. 3.2.12 Explain the plain & end milling cutter. 3.2.13 Chart the speed and feed of tools for various metals. 3.2.14 Specify the milling machines for procurement. 3.2.15 Give the nomenclature of a plain milling cutter. MODULE IV 4.1.0 Appreciate the shaping, slotting and planning machines and classifications. 4.1.1 Appreciate the operations on shaping, planning and slotting machines 4.1.2 State the working principle of shaping, slotting and planning machines with line sketches 4.1.3 Identify the parts and functions of each part. 4.1.4 Mention the different types of operations on these machines 4.1.5 Explain the quick return motion arrangements such as crank and slotted lever method,

Whitworth method and hydraulic method for a shaping machine. 4.1.6 Explain the automatic feed mechanism in shaper. 4.1.7 Illustrate the quick return arrangements for a slotter by line diagram 4.1.8 Describe the method of table drive of a planning machine. 4.1.9 Indicate the mode of specifying these machines for procurement 4.1.10 Compare shaper, slotter and planer.

CONTENT DETAILS MODULE I Explain Structure of materials- Changes in Crystal Structure w.r.t. temperature.- Crystal Defects- crystal imperfections-crystal growth and grain formation- Deformations of metal- rate of cooling- grain size on properties- Property changes by deformation- work hardening- solid solution hardening- strain hardening- age hardening. Heat Treatment Processes-Alloys and Phase diagram- types alloys-Solid solutions- Inter metallic compounds- Mechanical mixture- cooling of alloy- Eutectic- Eutectoid- Perictectic- Perictectoid- Cooling Curve for Pure iron- -iron-carbon equilibrium diagram- constituents of steel from the iron-carbon equilibrium diagram- effect of slow cooling for various composition- TTT diagram/C curve/ S curve. Continuous cooling transformation diagram (CCT diagram)-heat treatment process- annealing- normalizing- hardening- tempering- mar tempering- austempering- case hardening (cyaniding- nitriding and carbonizing)-residual stress due to heat treatment- age hardening. Powder metallurgy Importance - various stages of manufacturing-advantages- applications.

MODULE II

Metal cutting Orthogonal cutting and oblique cutting- chip formation -type of chips- cutting speed - feed and depth of cut - tool signature/ nomenclature of the single point cutting tool- 1.2.8 State the properties of various cutting tool materials- tool life problems- machinability- nomenclature of taper shank Twist drill- plain milling cutters. cutting tool material-lathe -drilling- milling- shaper. Cutting fluids Lubricants- coolants - requirement- properties- method of application- selection. Lathe and lathe work Type of lathe – Centre lathe- Tool room lathe- Bench lathe and Speed lathe. Lathe construction – lathe parts- function of each part - Lathe accessories – work holing and tool holding devices. Metal cutting –speeds- feeds and depths of cut of different operation for different materials- Operations – cylindrical turning - time calculation and measurements- taper turning methods- thread standards and forms- thread calculation- gear changing for screw cutting- drilling- boring- reaming-Lathe specification. MODULE III Drilling machines – classification- work holding devices- types of drill bits- tool holding devices drilling machine operations- feed- speed and depth of cut for a given operation- specification. Milling machines-General use of milling machines- Parts of milling machines and their functions- Types of milling machines -( a) plain ( b) universal- Cutter holding devices (a) arbours (b) collets (c) adopters- Setting of work –(a) work holding devices (b) alignment ( c) speed feed and depth of cut on various materials- Milling operations - plain milling- key and key ways- gang milling- T – slot milling - Milling methods (a) conventional milling (b) climb milling- Constructions on indexing head ( name of the parts only).types of indexing- spur gear cutting- milling cutters- Milling machine specifications. MODULE IV

Shaping Machines- shaper-use – parts and their functions – shaper tool holding devices- Quick return motion- arrangements and adjustments of stroke- crank and slotted lever method With worth method- Hydraulic method- automatic feed mechanism- speed- feed and depth of cut for various materials- Shaper specifications. Slotting Machines- slotter use- Slotter parts and their functions- Tools and work holding devices- Speed feed and depth of cut for various materials- quick return arrangements- specifications. Planning machines-planer-use- planer parts – functions- Tool - work holding devices- Table drive- feeds- specifications.

TEXT BOOK

1. Work shop technology Vol- I,II - S.K Hajra Choudhary,S.K.Bose, A.K. Hajra Choudhary, Nirjhar roy

2. Engineering materials and metallurgy- R. Srinivasan

REFERENCE

1. Manufacturing processes – serope kalpakjain, steven.r.schmid

2. W/S Technology - B.S. Reghuwanshi

3. Production technology - Er.R.K. Jain

4. Enginnering materials- b.k. Agarwal

5. Production Technology - P.C. Sharma Pub: S. Chand and Co.

6. Powder Metallurgy: Science, Technology and Applications - Angelo & Subramanian

7. Materials Science and Engineering: A First Course, 5th ed - Raghavan

COURSE TITLE : THERMAL ENGINEERING COURSE CODE : 4024 COURSE CATEGORY : B PERIODS/ WEEK : 5 PERIODS/ SEMESTER : 75 CREDIT : 5

TIME SCHEDULE

MODULE TOPIC PERIODS

1 Fundamentals of thermodynamics, Thermodynamic processes 18 2 Air standard cycles. Working of IC Engines 19 3 Testing of IC Engines. Steam and its properties 19 4 Heat transfer. Heat exchangers. Air compressors. 19

TOTAL 75 Remarks based on feedback from students, faculty, industry (revision 2010): COURSE OUTCOME :

Sl.No. Sub Student Will Be Able To

1

1 Understand the basics of Thermodynamics and thermodynamic processes.

2 Appreciate the air standard cycles.

3 Explain the working of IC Engines with PV, TS, valve timing and port timing diagrams

4 Appreciate the testing of IC Engines.

5 Understand the formation of steam and steam properties.

6 Explain the heat transfer and heat exchanger.

7 Appreciate the air compressors

SPECIFIC OUTCOME MODULE I 1.1.0 Understand the basics of Thermodynamics and thermodynamic processes 1.1.1 Understand the scope and application of Thermal Engineering 1.1.2 Explain the terms such as Thermal Engineering, Thermo dynamics and Heat Engines 1.2.0 Appreciate the fundamentals of Thermodynamics 1.2.1 Define a system 1.2.2 Classify the systems 1.2.3 Explain the terms boundary and surroundings

1.2.4 Distinguish between intrinsic and extrinsic properties 1.2.5 Explain the terms pressure, temperature, enthalpy, entropy etc and their S.I. Units 1.2.6 Explain the term thermodynamic equilibrium 1.2.7 Describe the Quasistatic process. 1.2.8 Explain the specific heat of gases 1.2.9 Explain the Zeroth law, First law and Second laws of thermodynamics 1.2.10 Explain Boyle’s law, Charles’s law, Regnault’s law, Joule’s law and Avogadro’s law 1.2.11 Derive the characteristic gas equation 1.2.12 Explain characteristic gas constant and universal gas constant 1.2.13 State the relationship between specific heats of gases 1.2.14 Apply the gas equation to solve simple problems 1.3.0 Define a thermodynamic process 1.3.1 Explain the importance of P-V diagram 1.3.2 Illustrate with p-V, T-S diagrams the thermodynamic processes such as Isochoric, Isobaric,

Isothermal, Isentropic, Polytropic and throttling processes 1.3.3 Derive the expressions for the expansion work, change in internal energy, heat transferred and

enthalpy change in each process listed in 1.3.2 1.3.4 Compute the expansion work, change in internal energy, Heat transferred and enthalpy change

in each process MODULE II 2.1.0 Appreciate the air standard cycles 2.1.1 Analyze the Air standard Cycles 2.1.2 Define Air standard Cycles 2.1.3 State the assumptions made in Air standard cycles. 2.1.4 Define Air standard efficiency. 2.1.5 Illustrate with P-V, T-S diagrams Carnot cycle, Otto Cycle, Diesel Cycle, Dual combustion Cycle,

Joule Cycle 2.1.6 Derive the expressions for Air standard efficiency of Carnot cycle, Otto Cycle, Diesel Cycle and

joule cycle. 2.1.7 Compute the air standard efficiency using standard expressions. 2.2.0 Explain the working of IC Engines with PV, TS, valve timing and port timing diagrams 2.2.1 Review the working of the petrol & diesel engines (both 2 Stroke & 4 Stroke ) Explain the

working of four stroke IC engine with the help of hypothetical P-V diagram. 2.2.2 Explain the Valve timing diagrams for the petrol and diesel engines. (both 2 Stroke & 4 Stroke ) MODULE III 3.1.0 Appreciate the testing of IC Engines 3.1.1 State the importance of performance testing of I.C. Engines 3.1.2 Define Indicated power, Brake Power, Friction Power, and Mechanical Efficiency 3.1.3 Define Indicated Thermal efficiency, Brake Thermal efficiency, Relative efficiency 3.1.4 Define Total fuel consumption & Specific Fuel Consumption. 3.1.5 Explain the Morse test. 3.1.6 Solve Simple problems for 3.1.2 to 3.1.5 3.1.7 Explain Heat balance sheet

3.1.8 Solve Simple problems for 3.1.7 3.2.0 Steam and its Properties 3.2.1 Understand the formation of steam and steam properties 3.2.2 List the uses of steam 3.2.3 Explain the formation of steam at constant pressure with a graph indicating the effect of

pressure and temperature 3.2.4 Distinguish between wet steam, dry steam and superheated steam 3.2.5 Compute the enthalpy of wet, dry and super heated steam at the given pressure and state using

steam tables 3.2.6 Compute the heat required to produce steam at given pressure and state from feed water. 3.2.7 Construct T-S and Mollier charts and represent various pressures in them 3.2.8 Determine the condition of steam, enthalpy, entropy specific volume of steam using mollier

chart. 3.2.9 Understand the different parts and the working and of Steam Engine 3.2.10 Explain the working of a double acting Steam Engine with simple line sketch 3.2.11 Understand the various thermodynamic vapour cycles. 3.3.0 Recognize the use and application of Steam Nozzles 3.3.1 State the functions of a steam Nozzle 3.3.2 Explain the convergent nozzles and convergent – divergent nozzles 3.3.3 Derive the expression of velocity of steam leaving a nozzle 3.3.4 Compute the velocity of steam leaving a nozzle with the help of Mollier chart MODULE IV 4.1.0 Explain the heat transfer and heat exchanger 4.1.1 Understand the various modes of Heat Transfer 4.1.2 Explain the three modes of heat transfer, conduction, convection and radiation 4.1.3 Explain Fourier’s law of thermal conduction 4.1.4 Define Thermal conductivity 4.1.5 Simple problems on conduction through a plane wall and through a composite plane wall 4.1.6 Explain the thermal radiation – reflection, absorption and transmission 4.1.7 Define absorptivity, reflectivity and transmissivity 4.1.8 Explain the concept of a Black Body 4.1.9 Explain Stefan – Boltzman’s law of total radiation 4.1.10 Explain the concept of Grey body 4.1.11 Explain Newton Rikhman equation of Thermal convection 4.1.12 Explain free convection and forced convection 4.2.0 Explain the basic principles of heat exchangers 4.2.1 Classify the heat exchangers – Recuperator type and regenerative type, parallel flow, counter

flow type & cross flow. 4.2.2 Explain the concept of overall heat transfer coefficient & LMTD 4.3.0 Appreciate the air compressors 4.3.1 Explain the construction and working of Air compressors 4.3.2 State the function of an air compressor 4.3.3 State the uses of compressed air 4.3.4 Classify the air compressors

4.3.5 Explain with simple sketches the working of reciprocating (single stage and two stage) compressors, rotary (fans and blowers) compressors, centrifugal compressors and axial flow compressors.

4.3.6 State the expressions for work done on air and power required to drive compressors (single stage and two stages only) with the help of p-v diagrams ( no derivation)

4.3.7 Compute the work done on air and power required to drive the compressor (single and two stage only)

4.3.8 State the functions of intercoolers 4.3.9 List the advantages of multistage compression 4.3.10 Define the efficiencies of air compressors – Mechanical efficiency, Isentropic efficiency,

Isothermal efficiency & Volumetric efficiency 4.3.11 State the expression for volumetric efficiency in terms of clearance volume and stroke volume

(no proof) 4.3.12 Compute the various efficiencies using the expressions mentioned in 4.1.8 4.3.13 Explain the effect of clearance on the volumetric efficiency of the compressor GENERAL INFORMATION:

Use of Steam Tables and Mollier Charts may be permitted for Examination

CONTENT DETAILS

MODULE I Fundamentals of Thermodynamics Brief explanation of terms such as: Thermal Engg. – Thermodynamics - Concept of System -open- closed and isolated system - boundary- surroundings- state - properties - Intrinsic and extrinsic- pressure (absolute- atmospheric- gauge and vacuum)- temperature- S.T.P and N.T.P values- Energy- internal energy- flow work- enthalpy- entropy- specific volume- thermal equilibrium - thermodynamic equilibrium- Specific heats of gases- specific heat at constant volume - specific heat at constant pressure - their relations.

Thermodynamic Laws (Brief explanations) 1. Zeroth law 2. First law 3. Second law

Laws of perfect gases (Brief explanations) 1. Boyle's law 2. Charle's law 3. Regnault's law 4. Avogadro's law 5. Joule's law Gas equation Derivation of characteristic gas equation- characteristic gas constant and universal gas constant -simple problems

Thermodynamic Processes Explanation- p-V diagram. Derivation of equations for flow work- change in internal energy- and heat

transferred for the - Isochoric process- Isobaric process- Isothermal process- Isentropic process- Polytrophic process- Throttling process - Application in simple problems MODULE II

Air Standard Cycles Assumption- Air standard efficiency-Brief explanation with p-V diagrams - derivation of air standard efficiency of Carnot Cycle- Otto cycle- Diesel cycle- Brief explanation of dual combustion cycle with P-V diagram (No derivation of air standard efficiency)- Simple and direct problems using standard expressions.

Working of I.C.Engines Petrol & diesel engines (both 2 Stroke & 4 Stroke) – Working - P-V diagrams - Valve timing diagrams

MODULE III

Testing of I.C. engines I.C.Engines - Performance - testing- Indicated power- Brake Power- Friction Power- -Mechanical

Efficiency- Indicated Thermal efficiency- Brake Thermal efficiency- Relative efficiency-Total fuel consumption - Specific Fuel Consumption-Morse test for Determination of I.P. of multi-cylinder engine- Heat balance sheet- problems Under stand the formation of steam and steam properties steam – uses- formation of steam at constant pressure - graph indicating the effect of pressure and temperature- wet steam- dry steam - superheated steam- enthalpy of wet- dry - -T-S diagram -– simple problems(with steam table & mollier chart)- condition of steam- enthalpy- entropy - specific volume of steam - Steam Engine – working- different parts -double acting Steam Engine –working- various thermodynamic vapour cycles. Steam Nozzles- use- application- functions - convergent - divergent -velocity of steam leaving –derivation-problems (with Mollier chart & steam table) -efficiency MODULE IV Heat transfer-

Heat Transfer- conduction- convection and radiation-Fourier's law of thermal conduction.-Thermal conductivity-conduction through a plane wall and through a composite plane wall-problems thermal radiation - reflection- absorption and transmission-absorptivity- reflectivity and transmissivity-concept of a Black Body-Stefan - Boltzman's law of total radiation-concept of Grey body- Newton Rikhman equation of Thermal convection-free convection - forced convection.

Heat Exchangers Heat exchangers-Classification- Recuperator -type -regenerative type- parallel flow- counter flow type &

cross flow- concept of overall heat transfer coefficient & LMTD Air Compressors – construction - Classification - working - function - uses of compressed air - reciprocating compressors (single stage and two stage) -Classfiication - rotary compressors - fans and

blowers- centrifugal compressors - axial flow compressors - work done on air and power required to drive compressors- (single stage and two stages only) - p-v diagrams ( no derivation)- work done - power required to drive (single and two stage only) – intercoolers - functions - multistage compression – advantages - efficiencies - Mechanical efficiency- Isentropic efficiency- Isothermal efficiency - Volumetric efficiency - in terms of clearance volume and stroke volume (no proof)-Problems -- effect of clearance on the volumetric efficiency of the compressor.

TEXT BOOKS 1. Thermal Engineering -D.S.Kumar

2. A text book of Thermal Engineering -R.S.Khurmi&J.K.Gupta

REFERENCE 1. Thermal Engineering -P.L.Ballany

2. Elements of Heat engines volume I & II -R.C. Patel & C.J. Karamchandani

3. Elements of Mechanical Engg: - Prof: Sadhu Singh

4. Thermodynamics for engineers. - Ramalingam

COURSE TITLE : PRODUCTION DRAWING COURSE CODE : 4026 COURSE CATEGORY : A PERIODS/ WEEK : 4 PERIODS/ SEMESTER : 60 CREDIT : 3

TIME SCHEDULE

MODULE TOPIC PERIODS

1 Limits, Fits and tolerances. 14 2 Surface texture and roughness. 13 3 Geometrical tolerance and operation chart. 12 4 Shop floor drawing and interpretation of drawing. 21

TOTAL 60 COURSE OUTCOME :

Sl.No. Sub Student Will Be Able To

1

1 Understand the limits, Fits and tolerances.

2 Know the surface texture and roughness.

3 Comprehend the geometrical tolerances.

4 Know the preparation of operation chart.

5 Interpret and prepare of shop floor drawings.

SPECIFIC OUTCOME MODULE I 1.1 Need of preparing a production drawing - components of a production drawing. 1.2 Limits, Fits and Tolerances 1.3 Definition of limits, fits and tolerances. Geometrical tolerance - Characteristics of geometrical

tolerance – Dimensional tolerance – Systems of fits-problems relating Hole basis and Shaft basis system and schematic diagrams- Select dimensions from B. I. S. Tables to obtain clearance, transition and interference fit for a given set of mating parts. Selection of fits and tolerances form B. I. S. tables.

MODULE II 2.1 Surface Roughness 2.2 Surface roughness terminology- surface roughness values, Grades and symbols. Symbols

indicating surface texture – Relation between surface finish and manufacturing processes-Symbols representing direction of lay.

MODULE III 3.1 Interpretation of Drawings 3.2 Exercises in identifying the type of production, extracting important functional dimensions,

checking the number of parts in an assembly. Checking and listing missing dimensions. Identifying the sectional views.

3.3 Shop floor drawing The main objective of this subject is to enable the student to prepare drawing suitable or relevant to the production of the component (s) as represented by these drawings. Another objective is to develop the ability among students to read and interpret a given production drawing for the purpose of specifying the materials, the particular process of production, the type of tools needed to obtain the accuracy and surface finish specified by the designer and to identify those parts that are standard components that could be purchased from the market and to specify them as per commercial/ B. I. S. standards for purchase. In order to develop these abilities among students, the use of actual production drawing from the local industries is of vital importance. Traditional or academic exercises from books may not help to achieve these objectives.

Note:- It is suggested that the exercises can be given to the students for the development of the abilities and skills mentioned below: Prepare the relevant views of the parts of a given assembly drawing needed for the purpose of production Dimension the views obtained in 1, with relevant notes and indications as to the limits/tolerances, surface finish needed. Details of specific processes and the conventional / symbolic representation (like heat treatment, welding, counter boring etc) with reference to the function of the part in the whole assembly . Indicate the process of production, specification of relevant tools to obtain the accuracy, finish and specification of materials as per commercial/ B. I. S. standard, given the production drawing of actual parts Identify those parts that are standard components that can be procured directly from the market, from a given production drawing and specify the part as per commercial/ B. I. S. standards for procurements Specify the type of measuring instrument (s) to be used to check the prescribed accuracy Exercises in -preparation of detailed production drawings as per BIS standard of simple machine parts such as Slip Bush, Socket and Spigot Joint, Sleeve And Cotter Joint, Over Hung Crank, Oldham’s Coupling, screw jack, c clamp, 3. Connecting rod - I.C. Engine (type-1and 2)

MODULE IV 4.1 Process charts 4.2 Different types-Understand various machining processes-Calculation of weight per piece-

Preparation of Operation Chart. Exercises in preparation of Operation charts for

Locating pin, Cylindrical Pin, Stud bolt.

GENERAL INFORMATION :

Note – Guidance for setting question paper. MODULE I – 20 marks MODULE II – 10 marks MODULE III – 50 marks MODULE IV – 20 marks _____________________

100 marks Use of BIS tables and charts are permitted for Examination.

TEXT BOOKS

1. Machine drawing - P.I. Vargheese 2. Machine drawing - K.C. John.

REFERENCE 1.Machine Drawing - P.S.Gill 2.A test book of Machine Drawing - V. Lakshmi Narayan. 3.Engineering Drawing - M.B Shah & B.C Rana. 4.Fundamentals of Machine Drawing, 2nd ed - Singh & Sah

COURSE TITLE : HEAT ENGINES LABORATORY COURSE CODE : 4027 COURSE CATEGORY : B PERIODS/ WEEK : 3 PERIODS/ SEMESTER : 45 CREDIT : 2

TIME SCHEDULE

MODULE TOPIC PERIODS 1 Study of petrol engines. Valve timing diagrams 10 2 Load test on petrol and diesel engines. 12 3 Viscometer. Flash and fire point apparatus. Calorimeters.

Heat Exchanger

11 4 Refrigeration equipments. Air compressor 12

TOTAL 45 COURSE OUTCOME : Sl.No. Sub Student Will Be Able To

1

1 Understand the systems of petrol and diesel engines.

2 Comprehend the preparation of valve timing diagram.

3 Appreciate the load test on engine.

2

4 Understand the viscosity, calorific value,flash point, firepoint of fuels & Heat Exchangers

5 Comprehend the working of refrigeration plant and determine C.O.P.

6 Understand the working of air compressor.

SPECIFIC OUTCOME

MODULE I

1.1 Study the parts and functions of the petrol engine. 1.2 Identify the various systems in IC Engines - intake system, exhaust system, lubricating system , cooling system, electrical system, fuel system & loading system 1.3 Conduct different tests on petrol engine – load test, heat balance test, valve timing diagram, Morse test. 1.4 Compare the values, draw various characteristic curves and obtain economic speed & power.

MODULE II

2.1 Study the parts and functions of diesel engine. 2.2 Identify the various systems in Diesel Engines - intake system, exhaust system, lubricating system,

fuel system, cooling system. 2.3 Conducting different tests on diesel engine – load test, heat balance test, valve timing diagram. 2.4 Compare the values, draw various characteristic curves and obtain economic speed & power.

MODULE III

3.1 Perform the test on lubricating oils. 3.2 Determine the viscosity of the given oil. 3.3 Determine the flash and fire point of the given oil. 3.4 Determine the calorific value of given solid fuels. 3.5 Determine the calorific value of the given liquid fuel. 3.6 Conduct a test on Parallel and counter flow heat exchanger apparatus.

MODULE IV

4.1 Identify the refrigeration plant; study the function of each component. 4.2 Performance tests on refrigerators. 4.3 Determine the COP of the refrigerator. 4.4 Identify the various parts and indicate the functions. 4.5 Conduct a test on air compressor and determine volumetric efficiency, isothermal efficiency & adiabatic efficiency TEXT BOOKS

1. Mechanical Workshop & Laboratory Manual By K. C. John

COURSE TITLE : MATERIAL TESTING LABORATORY COURSE CODE : 4028 COURSE CATEGORY : A PERIODS/ WEEK : 3 PERIODS/ SEMESTER : 45 CREDIT : 2

TIME SCHEDULE

MODULE TOPIC PERIODS 1 Test on UTM 13 2 Test on Impact and Hardness testing machine 14 3 Test on Spring 14 4 Test on Welded joint and Brittle material 14

TOTAL 45 COURSE OUTCOME :

Sl.No. Sub Student Will Be Able To

1

1 Carryout test on UTM

2 Conduct Impact test.

3 Carryout torsion test

4 Perform Spring test

5 Comprehend the test on welded joint.

6 Understand the test on brittle material. SPECIFIC OUTCOME MODULE I 1.1 Study UTM & and its various uses. 1.2 Conduct Tension test on M.S. bar: 1.3 Compute the values yield point stress, ultimate stress, percentage elongation, and percentage reduction in cross sectional area. Young’s modulus, 1.4 Study the behavior by plotting various graphs. Drawing stress strain graph. MODULE II 2.1 Study of Impact Testing Machine. 2.2 Conduct Impact test: To find out impact values (Izod) of M.S bar specimen. Compute the values. 2.3 Conduct Charpy test of MS bar specimen. Compute the values.

2.4 Study the Brinnell testing Machine and its use: 2.5 To find Brinnell hardness values of M.S. bars. 2.6 To find Brinnell hardness values of aluminum. 2.7 Study Rock well hardness testing Machine. 2.8 Find out Rockwell hardness values of M.S. bars and Find out Rockwell hardness values of Aluminum. 2.9 Conduct Bending test on steel beam 2.10 Find out Young’s modulus of steel by drawing deflection Vs load curve 2.11 Study Shear testing Machine and its use. 2.12 Find ultimate shear stress by conducting double shear test on MS bar 2.13 Study Torsion testing Machine and its use 2.14 Find modulus of rigidity, angle of twist and torque 2.15 Plot graph angle of twist Vs torque 2.16 Find modulus of rigidity of steel wire from number of oscillation and torque MODULE III 3.1 Find out modulus of rigidity of the material of the spring (both compression and tension) 3.2 Draw deflection Vs load graph MODULE IV

4.1 Tension test on welded joint - Determine ultimate strength of lap and butt joint and the ultimate stress of the joint.

4.2 Determine the compressive strength of brittle material using UTM.

COURSE TITLE : WORK SHOP PRACTICE – IV & MINI PROJECT COURSE CODE : 4029 COURSE CATEGORY : A PERIODS/ WEEK : 6 PERIODS/ SEMESTER : 90 CREDIT : 5 GENERAL INFORMATION:

Same as for Semester-III

Batches I and II are to be interchanged to compensate.

Student should work 35 periods (5days) for completing mini project

One of the exercise done in the workshop should be related to the industrial product. Eg.

Fabrication of Nut & Bolt, Bucket, Office tray, etc and maintenance of available machinery in the

workshop/ lab will be treated as mini project

Group work for students can be assigned to undertake repair and maintenance works

At the end of the semester each student shall prepare a report on mini project for evaluation

certified by the Head of department.

TEXT BOOKS 1. Mechanical Workshop Practice by K. C. John (PHI Learning Private Limited)

2. Mechanical Workshop & Laboratory Manual by K. C. John

REFERENCE

1. Workshop Technology Vol. I by S K Hajra Choudhary

2. Workshop Technology Vol. II by S K Hajra Choudhary