Surveying

1.The following is the page of a level book. Calculate missing data and apply boundary checks. Distance BR IR FR Rise Fall RL

0 4.75 100

100 3.5

200 7.9 102.5

300

Total

2. Convert the following whole circle bearings to quadrantal bearing.

1) '03022 2) '012170 3) '054211 4) '024327

3.Convert the following whole quadrantal bearing to circle bearings.

1) N '02412 E 2) S '03631 E 3) S '0668 W 4) N '0425 W 4.The following are observed fore bearings of the line.

2) AB '02412 2) BC '048119 3) CD '030266 4) DE '018354 5) PQ N '0018 E 6) QR S '02412 E 7) RS S '01859 W 8) ST N '01286 W. Find their back bearing.

5.Write down the Bowditch’s rule. 6. State Trapezoidal & Simpson’s one-third Rule. 7.Draw center for: pool, valley, slope. 8. Deflection angle of circular curve = 60 degree, r = 1200 pc at station 238 22 . Calculate length & station point at PT. 9. Define Bench Mark, Contour diagram of pond and hill. What is the basic difference between this

counters.

RCC

1. Calculate the ultimate moment capacity of a beam for the section

2. A column with the cross section shown below with ksifc 4' and ksif y 60

is subjected to a concentric axial load. The column section is reinforced with 8#8 bars.

Calculate the ultimate axial load capacity of the column

3. Show the typical reinforcements in the following RC structures

a) a continuous beam b) two way slab c) stair

4. What is reinforced concrete? Explain the parts played by steel in reinforced concrete. State merits and demerits of reinforcement concrete over ordinary plain concrete.

5. What is difference between one way slabs & two way slabs? In our country, what basis or formula is followed in order to determine minimum thickness of two way slab? Why corner reinforcement is felt essential in case of two way slab?

6. Classify steel used in reinforced concrete in respect of carbon contents.

Mention where t different steels are used. Give properties of high tensile

steel? Why mild steel is not preferred generally in RCC Work now-a-days

7. What is meant by ultimate strength of concrete, Mild steel rod, deformed bar and tor steel.

8. What are the factor of safety taken in designing of RC structures such as slab, bridge, beam, culvert etc.

9. What is bond stress? Explain what will happen if bond stress exceeds the allowable limit. What are the steps taken to keep the bond stress within allowable limit? If the beam in simply supported at what section bond stress is maximum

10. What are the maximum & minimum reinforcement ratio for column in ACI provision? Why maximum & minimum ratio is used in column?

11. Why strength reduction factor is 0.75 for shear & 0.9 for flexure?Explain 12. Differentiate between prestressed & reinforced beam.

13. Write down the advantages & disadvantages of prestressing member 14.

What is the minimum slab thickness of one-way slab? a) simply supported b) one end continuous c) both end continuous d) Cantilever

Transportation:

4. Define- Free flow

5. Short Note- Marshall Mix Design

6. Draw- i) Traffic-speed curve ii) Transportation & Land use flow.

7. AC (Asphalt content) curve for flow, air void & VMA.

8. Draw % of AC vs air void, efficiency, workability graph.

9. Write Course & coats used in different layers of Flexible pavement.

10. What are the layers of pavement? Write the methods used for designing Flexible & Rigid

pavement.

11. Draw a transverse vertical cross section of a typical national highway mentioning

the materials in different layers

12. What do you mean by expansion joint? What are the steps taken in expansion joint? What are the steps taken in expansion joint for water prevention and also for transfer of load.

13. What is rigid pavement & flexible pavement? Which one do you think is suitable in the context of Bangladesh? Justify your opinion with examples.

14. 15.

ENVIRONMENT

1. BD & WHO standard value of PH, Turbidity, Salinity, As, Fl, Mg.

2. Florid impurities of salinity.

3. What is BOD & COD? Which one is greater and why?

4. Flow diagram of water supply system.

5. An 18” sewer with n=0.013 is laid on a grade of 0.015. a) capacity when flowing held full. b) velocity when depth of flow = 4.5”

6. 5 day 20 C0 BOD of sewerage is 200 mg/l. 1K = 0.17 /d. ?ultBOD

7. 2765 BOD mg/L. 380ultBOD mg/L. BOD reaction rate constant?

8. Draw a flow chart of different treatment units to treat a water source having the following impurities.

Total Dissolved Solids (TDS) 1200 mg/L

Iron (Fc) 5 mg/L

Arsenic (As) .06 mg/L

Color 30 TCU

9. Why COD is greater than BOD. 10. Design period for water supply project shall normally not exceed 30 years 11. In recent years, the coverage of water supply using groundwater source has been

reduced from 95% to 80% in Bangladesh 12. What points are to be kept in view in the design of distribution system? 13. Write down steps in planning & design of a small new water supply project. 14. What are the causes of taste and odor in water? 15.

GEOTECK

1. Define- Total stress, Pore water stress, Effective stress.

2. Write the names of soil strength test. What tests are used for cohesive soil?

3. What do you know by normally loaded and preloaded clay? Draw e-log P curve for both

condition.

4. What is earth pressure intensity?

5. What is Triaxial shear test? Effective stress and deviatory stress at failure …

6. Find the cohesion value for Ǿ=30 for retaining wall.

7. What is bearing capacity for allowable settlement 25mm - 40mm.

8. Standard penetration test for each 150mm = needs 4,6,8 blow. Calculate N value.

9. Calculate total vertical stress, water pressure and effective vertical stress at the depth of 8m below the ground surface. Assume unit weight of water

3/81.9 mKNw

1. Sketch the typical moisture density relation for a cohesive soil under two

different levels of compaction effort and show the related forces (OMC, MDD, Zero Air, Void line). What is the use of Standard Proctor Test?

2. What is N Value as applied to soil testing? What corrections are required to the N values obtained from field test?

3. A Ditch of 600 3m volume has to be filled using native soil with a relative compaction of 95% Standard Proctor Maximum Density. Maximum Standard

Proctor Dry Density of the native soil is 17.6 KN/ 3m . Calculate the amount of native soil (by weight) required to fill the ditch.

4. A pipe is to be laid in a purely cohesive soil having undrained cohesion, .30KPaCu Calculate the maximum depth up to which a vertical trench can be

excavated in the soil without providing any lateral support. Assume 3/20 mKNw

5. )2/45tan(2)2/45(tan 2 czh for passive condition

6. )2/45tan(2)2/45(tan 2 czh for active condition

7. What are the difference between compaction and consolidation? 8. Write down in a single line, the purpose of the following works.

a) River training b) canal lining c) piles d) damp proofing e) sewerage

treatment

9. What are the causes of failure of foundations and what are their remedial measures?

10. What do you mean by bearing capacity of soil? How can you improve the bearing capacity of soil and make foundation on weak soil?

11. 12. L = 10, D = 12, what is the value of Nc for circular rectangular footing? 13. What is liquid limit? Show relationship with PL. 14. What is the difference between modified & standard proctor test. 15. Where is shupfoot rollers used for compacting soil? 16. What is fully compensated raft foundation?

17. What are the significance or importance of pore water pressure during construction (compaction) of an earthen dam?

18. Find the depth of foundation D using Rankine’s formula for sand wet soil. Assume bearing capacity of soil = 1 ton/ft2, wt of soil = 110 lb/ft3. Angle of response of sand wet soil = 15 degree.

19. Name 5 different procedures for the site soil exploration.

20. Draw cross sections of different types of earthen dam with property.

21.

Water Resource

1. Short Note: Hunter curve; Contraction curve.

2. Define Unit hydrograph. Why it is necessary?

3. Define Hydraulic jump. Describe the types of hydraulic jump.

4. The population of a town was 180000 in 1900 & 220000 in 1990. What will be the population be in 2005?

5. Determine the spacing of the drain from the following given data: Annual rainfall = 100 cm

Drainage coefficient = 1% to be drained in 34 hrs.

Depth of impervious layer from land surface = 10 m

Depth of highest position of water table below land surface = 1.5

Depth of drain below land surface = 2m

Permeability of soil = 410 m/s

6.

7. In a downstream of a river how the characteristics are changes?

i. Mean flow rate

ii. Width

iii. Depth

iv.

STRUCTURE 1. Draw influence line.

2. Find Y & I of the structure.

3. Draw the SFD of BCF & BMD of ABE.

2. A sphere weighting 5 kips rests on a smooth plane inclined at an angle 45 with the

horizontal and against a smooth vertical wall. What is the reactions at the contact surface A & B.

3. Determine the centroid of the area shown below:

4. A Portal frame fixed at the base is subjected to lateral load of 30 kips at the top. Using an approximate approach determine the maximum column moment.

5. Determine the following structure stable/unstable, determinate or indeterminate.

1. Draw the shear force and bending moment diagram for the following beams.

OTHERERS

6. Write short notes on: a) Water cement ratio b) Consistency & workability of concrete.

7. N/A

8. Calculate the FM value

Sieve Size, mm

(ASTM)

4.75 mm (No 4)

Amount of material

Retained, gm

2.36 mm (No 8) 8.7

1.18 mm (No 16)

0.60 mm (No 30) 38.9

0.50 mm (No 50) 21.0

0.15 mm (No 100) 7.8

PAN 2.0

9. Name two properties of the following materials used in civil engineering constructions: Brick, Sand, Water, Cement, Aggregates

10. Write down two characteristics for the following: a) Railway sleeper, b) Sewer pipes c) Well irrigation d) varnishing e) seasoned

timber.

11. Define bending moment & shear force 12. Define with illustrations and examples: a) poisson’s ratio b) effective span c)

porosity of soil d) loamy soil e) Moment of inertia 13. What are the objectives of seasoning of timber? Explain one method of seasoning

for timber which is commonly used in Bangladesh. 14. Write down hydraulic formula: Chezy, Kutter-Ganguillet, Manning, Crimp and

burges, Hazen cuilliam formula. 15. Define Algebraic & Transcendental equation. Write two methods of Algebraic solution.

16. Draw W/C vs stability, workability graph.

17. Given: Sieve No. Mass of soil

1.5” 11

1” 56

3/4” 71

3/8” 98

#4 100

Find the Fineness Modulus and draw grain size distribution curve for D10, D30, D60

.