EKT STLLABUS

7/31/2019 EKT STLLABUS

1/22

EKT STLLABUS - AE-AERONAUTICAL ENGINEERING (MECHANICAL)

FLIGHT MECHANICS / AERODYNAMICS :- Atmosphere, standard atmosphere, Properti

essure altitude, density altitude. Classification of aircraft. Airplane (fixed wing aircraft) configurati

d various parts. Bernoullis equation, static, dynamic pressure equivalent, calibrated, indicated

eeds, various corrections for airspeeds, Equations of equilibrium, work and energy, Incompressib

ow, viscous flows, introduction to Reynolds number, Laminar turbulent flow, transiti

erodynamic forces and moments, Lift, drag, centre of pressure, Primary flight instruments, Altimet

SI, VSI, Turn-bank indicator, gyroscope

THERMODYNAMICS:- Zeroth, First and Second laws of thermodynamics -- Thermodynam

stem and processes -- Irreversibility and availability -- Behaviour of ideal and real gases, Propert

pure substances, calculation of work and heat Analysis of thermodynamic cycles related to ener

nversion -- Carnot, Rankine, Otto, Diesel, Brayton and Vapour compression cycles.

ENGINEERING MATERIALS :- Structure and properties of engineering materials and thplications, heat treatment, fatigue and creep.

STRUCTURES:- Stress and Strain, Youngs modulus, Poissons ratio, Equations of equilibriu

rain-displacement relationship, plane stress and strain. Classification of structures, prelimina

condary and tertiary , stressed skin, Characteristics of aircraft structures and materials, torsi

nding and flexural shear. Flexural shear flow in thin-walled sections. Buckling. Failure theori

oads on aircraft. V-n diagram

PROPULSION :- Thermodynamics, Theory of Aircraft Gas Turbine engines, Brayton cycle, O

cle, Classification of jet propulsion, turboprop, turbojet, turbofan etc., effect of speed, altitu

mperature etc thrust equation, propeller theory basics. Axial compressors and turbines, centrifugmps and compressors. Aerothermodynamics of non rotating propulsion components: Intak

mbustor and nozzle, Elements of rocket propulsion.

SAMPLE QUESTION PAPER

AERONAUTICAL ENGINEERING

Which of the following is a scalar quantity

(a) velocity of a gear(b) acceleration of a car

(c) force in friction

(d) area of a triangle

Ans: (d)

eparation of flow is caused by

(a) reduction of pressure in the direction flow

(b) decrease in the boundary layer thickness


2/22

(c) I ncrease of velocity in the direction of flow

(d) adverse pressure gradient

Ans: (d)

pitot tube senses

(a) stagnation pressure

(b) average pressure(c) maximum pressure

(d) velocity head pressure

Ans: (a)

he Bernoullis equation talks about

(a) Energy transfer from one form to another

(b) Energy and mass transfer

(c) Mass transfer of fluids

(d) None of the above

Ans: (a)

he process in which pressure & density decrease where as the velocity increase are known asowing regions :

(a) Expansion

(b) Compression(c) Neutral

(d) None of these

Ans: (a)


3/22

closed cycle gas turbine works on

(a) Carnot cycle

(b) Rankine cycle

(c) Brayton cycle

(d) Joule cycle

Ans: (c)iffuser must provide minimum

Pressure loss

Velocity loss

Density loss

None of these

Ans: (a)

est suited Gas turbine engine for aircraft is

Constant Pressure

Constant volume

Combination of a & bNone of the above

Ans: (a)

ree turbine is used inTurbo jet and Turboprop

Turbofan and Turboprop

Turboprop and Reciprocating

Turboprop and Turboshaft

Ans: (d)

n case of a rocket engine the mixture of fuel and oxidiser is called

Oxygen fuelOxidiser

Propellent

ATF

Ans: (c)


4/22

Turbojet engine produces thrust by

cclerating large mass of gas through small velocities

acclerating small mass of gas through small velocities

cclerating small mass of gas through large velocities

none of the above

Ans: (c)Aircraft thrust is generated based on principle of

(a) Newtons first law

(b) Charles Law

(c) Newtons Third law

(d) None of the above.

Ans: (c)

The combustion is initiated in a gas turbine engine by

(a) Igniter Plug

(b) Spark Plug

(c) Torch Igniters(d) both (a) and (c)

Ans: (d)

The maximum temperature in combustion chamber of a typical aircraft engine is(a) 850 deg to 1700 deg C

(b) 100 deg to 200 deg C

(c) 300 deg to 500 deg K

(d) None of these.

Ans: (a)

n a gas turbine, the combustion of fuel and air is carried out in

(a) Combustion chamber(b) Compressor

(c) Turbine

(d) None of these.

Ans: (a)


5/22

n centrifugal flow compressor inlet flow is taking place in

(a) Axial direction

(b) Radial direction

(c) None of these

(d) Both (a) and (b)

Ans: (b)The combination of rotors and stators is found in

(a) Axial flow compressors

(b) Centrifugal flow compressors

(c) Reciprocating compressors

(d) None of these

Ans: (a)

Which of the following forces are called axial forces?

(a) Shear and compression

(b) Torsion and shear

(c) Tension and shear(d) Tension and compression

: (d)

The free turbine configuration is used in(a) Turbo prop and turbo shaft

(b) Turbo jet

(c) Pulse jet

(d) Ram jet

Ans: (d)

Stress is a

(a) Vector(b) Scalar

(c) Tensor

(d) Special scalar

Ans: (c)


6/22

The mechanism used in petrol engine is

Crank mechanism

Slider mechanism

Slider crank mechanism

Natural lines and circular

: (c)Reynolds No. may be defined as the ratio of

nertial forces to Viscous forces

Elastic forces to pressure forces

Viscous forces to gravity forces

None of the above

: (a)

Aerofoil shape is imparted to the aircraft wing by structures known as

(a) Longerons

(b) Stringers

(c) Ribs(d) Spars

Ans: (d)

n multistage turbines by introducing reheatingThermal efficiency improves

The output of turbine increases

Work done by compressor reduces

(d) The ratio compressor work/turbine decreases

: (a)

n Jet engine the compression ratio

Varies with altitudeVaries with square of speed

Varies as cube of speed

emains constant

: (b)


7/22

Gas turbine used in aircraft is of

Open cycle type

(b) Closed cycle type with reheating

Closed cycle type with reheating and regeneration

Open cycle type with reheating, regeneration and intercooling

: (a)Stress concentration occurs when

A body is subjected to excessive stress

A body is subjected to unidirectional stress

A body is subjected to fluctuating stress

A body is subjected to non uniform stress distribution

: (d)

The inability of a body to change its state of rest or uniform motion along a straight line is called

its

Momentum

VelocityAcceleration

nertia

: (d)A material subjected to reversal of stresses does not fail at a stress known as

atigue stress

Proof stress

Safe stress

Endurance stress

: (d)

n simple harmonic motion the acceleration is proportional toDisplacement

Linear velocity

Angular velocity

Rate of change of angular velocity

: (a)


8/22

The relation Stress/Strain is called as

(a) Youngs modulus

(b) Rigidity modulus

(c) Shear modulus

(d) Poisson's ratio

Ans: (a)Resistance offered by a body against external distorting force is called

train

tress

hear strain

(d) modulas

Ans: (a)

nviscid and incompressible flow means

Viscosity and pressure are constant

Viscosity is zero and density is constant

Viscosity is constant and density is zeroNone of the above

Ans: (b)

n a structure bending moment is maximum whenShear force is maximum

Shear force is zero

Axial force is zero

Axial force is maximum

Ans: (b)

LP and HP compressors are coupled

Rigidly by shaftThermodynamically

Aerodynamically

None of the above

: (b)

ct the correct verb

Besides his parents, he _________also present at the function.

s (B)was (C)has (D) has been

:B

tify the correct preposition

The thunder was accompanied ______a heavy rain.


9/22

rom (B)by (C)up (D)through

:B

ose the misspelt word.

(A) disparity (B)illusion (C)inevitable (D)middle

:A

n the blank with correct article.

_____things of beauty is a joy forever.

he (B)a (C)an (D)none of these

:A

tify the antonym of the given word

Embellish

acrifice (B)Disfigure (C)Foreit (D)Indict

:B

one word substitute

A well experienced person.

wise man (B) Intelligent (C) Old man (D) Veteran

An accident which results in death

njurious (B) Dangerous (C)Fatal (D) Terrible

: C

tify the correct choice

He has purchased a bag of ____________

loor (B)flour (C)flower (D)flaur


10/22

:B

tify the synonym of the given word

Zest

leasure (B)distaste (C)flop (D)encircles

:A

n the blank with suitable conjunction

He will never pass,______hard he may try

However (B) Whatever (C) Never (D) Whenever

:A

fter walking 6 km, I turned right and covered a distance of 2 km, then turned left and covered a distance of

m. In the end, I was moving towards the north. From which direction did I start my journey?

North

outh

ast

West

>Ans. (c)

a certain code language EDITION is written as IDETNOI.

will the word MEDICAL be written in that code language?

DEMILAC

LACJM

DIEMCAL

MCADILE

>Ans. (a)

nd the odd one


11/22

helley

Keats

Chaucer

Churchill

>Ans. (a)

a row of boys Ganesh is 12th from the left and Rajan is 15th from the right. When they interchange theirions Rajan becomes 20th from the right. How many boys are there in the row?

9

1

2

0

>Ans. (b)

here are four roads. You are coming from South and want to go to the temp1e The road to your left leads

y from coffee house. The front straight road leads to the college only. In which direction is the temple

ed?

North

outh

ast

West

>Ans. (c)

ctions (Q. 67): In each of the following questions a related pair of words is given. Find the most

ble pair of related words from among the four alternatives.

atellite : Planetary path

Missile : Projectile Path

Arrow : Plunge


12/22

Bullet : Pipe

Elevator : Axle

>Ans. (a)

rittle: Break:

Glass : Break

harp : Scratch

ree : Wind

Elastic : Bend

>Ans. (d)

Fill in the missing letter in the following series S,V,Y ,B,?

C

D

C

>Ans. (c)

Fill in the missing letter in the following series

, C, X, E?

C

D

W

Y

>Ans. (d)


13/22

ctions (Q. 1014): Read the following information and Ans>Answer the questions. There are six flats

floor in two rows facing north and south allotted to six persons P, Q, R, S, T and U. The position of their

is as follows

s flat faces the north and is not next to S.

S and U have occupied diagonally opposite flats.

R next to U occupied a flat facing the south and T gets a flat which faces the north.

Whose flat is between Q and S?

R

U

>Ans. (c)

The flats of which pair other than of SU is diagonally opposite to each other?

RT

T

QP

TU

>Ans. (c)

f the flats of T and P are interchanged, whos flat will be next to that of U?

R

Q

Q or S

>Ans. (b)


14/22

After interchanging the flats of T and P, who stays between T and U in the same block?

Q

R

>Ans. (d)

f the fiats are not interchanged between T and P, who occupies the flat between Q and S?

R

U

>Ans. (b)

n a map south-east has be shown as north, north-east has been shown as west and so on. In this map whatwest represent?

outh-west

outh-east

outh

North-west

>Ans. (b)

n an imaginary system 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, are represented by z, y, x, w, v, u, t, s, r, q respectively. In

a system 23 *4 *5 will be written as (* indicates symbol of multiplication)

yr

vu

sr


15/22

tz

>Ans. (d)

Anand is related to Vinod and Cinderella. Deepa is Cinderellas mother. Also Deepa is Vinods sister and

s Vinods sister. How is Ela related to Cinderella?

Niece

Cousin

ister

Aunt

>Ans. (d)

The letters of English alphabet are numbered from 26 to 1. The assigned numbers are used to write the

rs of the original alphabet so that 26 stands for A, 25 stands for B and so on. Using this sequence,>Answer the following question.

ch of the following sequence denotes a valid word?

-I-D

12-1723

111812

121823

12 17 23

>Ans. (c)

n certain code language the word NUMERICAL is written as LMUIREACN. How will the word

LISHED be written in that language?

DUBSILEHP

DBULISEHP

DUBLSEHP

DBUSILEHP


16/22

>Ans. (d)

f Dog is called Cat, Cat is called Lion, Lion is called Ox, Ox is called Cock, Cock is called Elephant, and

hant is called Donkey, then farmer ploughs with which animal?

Dog

Lion

Donkey

Cock

>Ans. (d)

ple Question For GK

ut of the following which centre is making use of enriched Uranium?

arapur Nuclear Energy Centre

Kalpakkam Nuclear Energy Centre

Narora Nuclear Energy Centre

Ravat Bhata Nuclear Energy Centre

>Ans. (a)

hobha Gurtu is a

admashree

Padmavibbushan

admabhushan

halke Award Winner

>Ans. (a)

hyan Chand was Indian Captain in Berlin World cup Hockey Test in the year

906

916


17/22

964

936

>Ans. (d)

here is the largest Railway platform in the world?

Leningrad

Liver pool

onepur

Kharagpur

>Ans. (d)

Nunamati is famous for

mines of raw iron

mines of coal

il refinery

mines of mica

>Ans. (c)

nergy is measured in the same unit as-

work

ower

momentum

orce

>Ans. (a)

e largest gland in human body is

ndocrine


18/22

ancreas

ver

one of these

>Ans. (b)

he universal donor is

O

A

B

AB

>Ans. (a)

he capital of of Chattisgarh is

Raipur

Bilaspur

Raichur

Ranchi

>Ans. (a)

Sphygmomanometer measures

lood pressure

cean depth

magnetic field

lectric current

>Ans. (a)

Who among the following holds the office during the pleasure of the President of India?


19/22

udges of Supreme Court

Election Commissioner

Governor

peaker of Lok Sabha

>Ans. (c)

The author of the book Interpreter of Maladies is

humpa Lahiri

Arundhati Roy

Vikram Seth

Geeta Mehta

>Ans. (a)

Which among the following is a Morning Raga?

ohini

Bhairavi

Kalawati

arang

>Ans. (b)

Guernica is a famous painting of

eonardo da Vinci

Michelangelo

icasso

None of these

>Ans. (c)


20/22

Last Supper is a world famous painting of

aul Gauguin

Leonardo da Vinci

Raphael

None of these

>Ans. (b)

Bhogali Bihu is a festival of

Assam

Orissa

Gujarat

Rajasthan

>Ans. (a)

The capital of Andaman & Nicobar is

Car Nicobar

ort Blair

Katchtibu

None of these

>Ans. (b)

What does the term Dactology mean?

tudy of finger prints for identification

tudy of physically handicapped persons

ystem of new words

None of these


21/22

>Ans. (a)

Aizawl is the capital of

akshadweep

Nagaland

Mizoram

None of these

>Ans. (c)

The term Third World is related to

Asian countries

Oil producing countries

Developed countries

Developing countries

>Ans. (d)

Which of the following is a bulwark of personal freedom?

Mandamus

Habeas Corpus

QuWarranto

Certiorari

>Ans. (b)

The anode in a dry cell consists of

Copper

Zinc

Carbon


22/22

Graphite

>Ans. (c)

n which country Greenwich is situated?

USA

UK

Holland

ndia

>Ans. (b)

Which of the following types of lens is used in a camera?

Convex

Concave

pherical

Uniform. thickness

>Ans. (a)

Sound waves are

ongitudinal

rAns>Ansverse

artially longitudinal and partially trAns>Ansverse

ometimes longitudinal sometimes trAns>Ansverse

>Ans. (a)

Documents

EKT STLLABUS