Question for Exam in BUET

Question for Exam in BUET 1. Draw influence line for shear and moment in the support of a cantilever beam. 2. Draw shear force diagram and bending moment diagram for a beam containing 20 k-ft moment at centre. 3. Earth pressure on retaining wall containing 2kip-ft surcharged load. 4. Check an isolated column footing for size and punching shear. 5. Mention the lab testing for bituminous materials. 6. Mention the steps for sewer design. 7. Draw typical section of flexible and rigid pavement. 8. Define unit hydrograph with figure. 9. Correction of measured length in chain survey. 10. Mention five causes for traffic jam in Dhaka city. 11. Find out the neutral axis from the drawn beam section of beam. 12. Find out the tension and compression from the drawn beam section of beam. 13. Find out the ultimate moment resisting capacity from the drawn beam section of beam. 14. What is a. Field capacity, b. Borrow pit, c. Berm d. Benchmark e. Resilience MSC Admission test 1. What are the essential elements of water supply system? 2. The standard value of WHO for pH, Chloride, As, Turbidity. 3. Why COD is greater than BOD in sewage sample? 4. What is hunter curb? 5. What is the significance of fluoride in sewage water? 6. Math a. Determine the SPT value b. Unconfined Tri axial compression test c. Increase of earth pressure in retaining wall

d. Settlement of footing from allowable bearing capacity 7. Draw the curve for a.

e log p

b. Compaction c. Failure curve 8. Draw the figure of cycle of land use in transportation system. 9. Draw three diagrams for Speed – Volume – Density relation in roadway design. 10. Draw the typical section of a flexible pavement. 11. Write different methods of flexible & rigid pavement design. 12. Draw six graphs for Marshal Mix design. 13. Centre of gravity and moment of inertia of a T section 14. Draw SFD and BMD for a beam for uniformly distributed load and Point Load. 15. Ultimate moment resisting capacity of a beam 16. Influence line of a cantilever bridge. 17. Reaction and BMD and SFD for a given frame 18. Define Bench Mark and Free Float 19. Fineness modulus of sand 20. What is Algebraic and transcendental equation? Give at least two examples. 21. Define unit hydrograph? Uses of hydrograph. 22. Define Hydraulic jump. Classification of hydraulic jump. General knowledge 1. What is the name of most powerful computer in world? 2. What is the father’s name of indira Gandhi? 3. Who own the noble prize in peace? 4. Which one is the longest bridge in the world? 5. Where take place the climatic conference? 6. The name of minister and secretary of the concerned ministry. 7. Who is the first prime minister of Bangladesh?

Power Grid Company

1. If a raft foundation is 10m X 10m. Its depth 5 m and untrained cohesion 40 kn/m2 and F.S =2 and bearing capacity factor Nc = 7.0. What is the allowable bearing pressure? 2. Cross section of a National highway. 3. The bottom width is 6 m. side slope 1:1. The depth of flow is 1.5 m. velocity of flow is 15 m3/sec. find the flow rate of the channel. 4. Find the BOD of a given sample. 5. What is the minimum distance between pit latrine and tubwell. Why minimum distance should be maintained. 6. Draw bending moment diagram. Find also maximum shear force an bending moment.

7. Again if this beam gross section 1ftX1ft, find the maximum shear stress and bending stress. 8. Water velocity 6 ft/sec and quantity of water 11.0304 cft/min. what is pipe diameter? 9. A boundary wall is made by 75 m3 brick work. No of brick? 10. 25.4 mm rebar yielding 120 metric ton? Determine the grade of this rebar? 11. What distance should be maintained between pit latrine and tube-well? Why? 12. pH standard value? 13. Pavement cross section of national highway? Showing all features. 14. A trapezoidal channel has a bottom width of 6 m and side slopes of 2:1? Compute the discharge? 15. Draw Stress –strain diagram of mild steel showing different point. 16. BOD5 of waste water is determined to be 150 mg/l at 20°C. The K value is known to be 23 per day. What would the BOD8 be if the test were run at 15°C? 17. Chain survey?

1. Weight of a cylinder case. The dimension is given. 2. AADT of a two lane highway. 3. Stress & grade of steel. 4. Stress & grade of brick. 5. ASTM 28 day’s concrete strength.

6. Percentage of fine and coarse aggregate. The Percentage of passing through 4.75 mm and 0.075 mm is given. 7. The flow rate is given find the dia of pipe. 8. Quantity of brick in 75 cum volume

Bangladesh Water Development Board – Sub Assistant Engineer 1. Draw SFD and BMD for the following diagram P

L

L/ 2 2. Find vertical stress and total stress. Depth 8m, unit weight of saturated soil 18kn/m3, unit weight of water 9.81 KN/m3. 3. Size of beam 10”×20”. Bending moment 80 kip-ft. find maximum stress. 4. What is pH. Find OH concentration for ph value 10 5. Draw D10, D20 and D50 graph for a soil sample. 6. Find FM of sand. 7. ADT = 20000. Find design hourly volume where K=0.1, D=. 8. Find discharge. Velocity of fluid 20 m/sec, dia of pipe 18 cm. 9. Design a sediment tank for 3 hours concentration period 3 hours discharge 125 liters/hour. Ratio of H: B: L = 1:1:3. 10. Estimate 11. Flow modulus of a city is given. For 25% area is 2.84, for 50% area is 3.12, for 15% area is 15% 1.32 and for 10% area is 1.82. Find the combined flow modulus of the city. 12. Find the FAB and FBC.

60

30 60 Kip

Bangladesh Bank Recruitment Question (Assistant Director) 1. Determine earthwork excavation by prismiodal formula. Slop 1H: 2V. 2. A mixed sample 920 gm for different variety of sand. First sand form Gabtoli sand which F.M = 2.28 and second sand from Sylhet and which F.M = 2.74. Combined F.M is = 2.48. Calculate the amount of each variety of sand in the mix. 3. Günter’s chain and Engineering chain measure and area 2100 acre. What is the current measurement? 4. What is the cross section of square beam, where maximum flexural stress is limited 75 MPa. Ignore self weight of Beam. 15 Kn/m

5. Find the moment of inertia for the shaded section about the horizontal X – Axis.

6. Write down the five names of laboratory test of cement. 7. Influence line diagram, for section A and D with shear and moment.

5m

7m

10m

8. Determine ultimate design load capacity for this axially loaded column section. Section 10”X12”. Rebar 8 # 16. 9. Determine spacing required for temperature and shrinkage reinforcement in one way slab. Slab thickness 6”, #3 bar are used and fy = 60 Ksi. 10. What is Pre-stressed concrete? Also mention the main sources of pre-stressed loss? 11. Draw shear force diagram for the following figure

5 Kn/m

20 m

10m

12. In a compaction test 612 kg of soil occupies a volume of 3 X 10-4 m3 at a moisture content of 12.6%. Determine dry density of soil sample in KN/m3. 13. Calculate the super elevation required on a road of 1600 ft radious with vehicle moving at 65 mile per hour. The width of the road is 48 ft and the coefficient of friction is 0.14. 14. A pumps lifts 100000 liter of water per hour against a total head of 20 meters. Compute the water horse power of that pump. 15. Find the delta for a crop when its duty is 684 hectares/ cumec on the field, the base period of this crop 120 days. 16. Find the dimension of a settling tank to treat 45 m3 of raw water per hour when the over flow rate is 0.5/he r and detention time is 3 hours. 17. What is mean by following a. PVC pipe b. CI Sheet c. GI Pipe d. MS Rod e. RCC Slab 18. Treatment of bleaching powder which contains 30% chlorine. 19. Flow modulus of a city is given. For 25% area is 2.84, for 50% area is 3.12, for 15% area is 15% 1.32 and for 10% area is 1.82. Find the combined flow modulus of the city. 20. Costing of a project was 50000 tk before 12 years. What is the current cost of project increasing rate is 12%.

Bangladesh Army 1. Use of admixtures. 2. Brick test? Brick Standard size. 3. What is leveling? Write down the methods of plane tabling. 4. What is pre-stressing? Use of pre-stress? 5. What is geo-textile? 6.

What is rpm?

7. What is BOD? Why need BOD determine? 8. What is bearing capacity of soil? Write four methods to improve bearing capacity of soil? 9. What is precipitation? Types of precipitation.

10. Define modulus of rigidity. 11. What is gravity dam? Why need gravity dam. 12. Describe dispersion test. 13. What is water hammer? 14. What is pre-stressed concrete? What are the advantage of pc then rcc 15. Stress strain diagram of mild steel 16. What is water hydrology 17. What is traverse survey 18. Chemical reaction 19. What is fm 20. What is compaction? Consolidation and permeability

LGRD 1. Well foundation 2. Weep hole 3. Super elevation 4. Flexible pavement

Bangladesh Power Development Board •

A 20ft long simply supported beam, with a section of width 10” and depth 20” is subjected to UDL to load of 2 k/ft. Determine maximum bending stress.

•

Draw a qualitative influence line diagram of reaction at A. Moment at B and shear at c point. A

•

C

For a sieve analysis of sand following result are given below. Find F.M of this sand and also find present of clay and silt.

Sieve no ASTM Percent Retaine d •

B

NO 4

NO 8

NO 16

NO 30

NO 50

NO 100

NO 200

Pan

0

1

4

12

43

34

2

4

Draw a flexible pavement cross section and also showing different components.

•

Calculate hydraulic head for a quic condition soil. Its thickness 1.5 m, specific gravity = 2.67 and void ratio = 6.67.

•

The dry density of a soil is 1.58 m/cc. if the saturation water content is 50% then what would be it saturated density and submerged density.

•

Write the sanitary significance of Fluoride and Chloride.

•

Draw a typical hydrograph showing different segments.

•

A correct distance of 1000 m was measured with a 25 m chain which was actually 24.9 m long. Calculate the chain distance.

•

Calculate stopping sight distance for distance for design speed 50 mph and f = 0.42.

•

Calculate the total settlement of compressible soil stratum 2m depth and coefficient of volume compressibility 0.2 cm2/kg under a pressure increment of 2 kg/cm2.