Important Civil Engineering Questions with Answers

Important Civil Engineering Questions asked in Competative Exams:

1. For a 30 degree cranked or bend up bar, the inclined length of the crank is equal to 2d.
2. Wind load analysis can be done by using IS 875- part 3.
3. Temporary spurs are also called bunds.
4. The Unified Soil Classification System was originally developed by Casagrande.
5. The least count of a prismatic compass is 30 seconds.
6. Street inlets for draining rain water are located along the road side on straight roads at an interval of 30 to 60m.
7. The binding material in the mortar is also called matrix.
8. U- shaped lines indicate the presence of a ridge.
9. Aerated concrete is light in weight.
10. The length of a transition curve depends on the rate of change of centrifugal acceleration.
11. The total length of bar having hook at both the ends is L+18D.
12. Shear stress is tangential stress.
13. A lateral shift in the transition curve is given by L^2/24R.
14. IS 10262 code provides recommended guidelines for concrete mix design.
15. If crest length is equal to the width of the channel then it is called suppressed weir.
16. For under water construction quick setting cement is used.
17. The slope of a bending moment diagram gives shear force.
18. The minimum furrow grade to assure surface drainage is 0.05%.
19. The degree of a curve for a 30m chain is 1718.9/R.
20. Fine clay and silt particle has the least self-cleaning velocity.
21. Sarda type fall was designed to minimise the depth of cutting.
22. Offsets are of two types perpendicular and oblique.
23. Full form of PVCN with respect to paint is Pigment value concentration number.
24. Common glass is also known as bottle glass.
25. Glacier deposited soil is called till.
26. Cast iron is manufactured by re-melting pig iron with coke and limestone.
27. Standard deviation is proportional to mean strength.
28. An error due to the earth’s curvature and refraction is to be corrected using C_c = 0.0673D²
29. For a circular column with diameter ‘d’ subjected to a compressive load ‘W’ at an eccentricity ‘e’, the diameter of core of a section is d/4.
30. For most economical section using Chezy’s formula, depth of flow for maximum discharge through circular channel of diameter D is 0.95D.
31. In masonary NO deduction is made for opening each upto 1000 sq.cm.
32. Water absorption for class A type of roof tiles is 20-24%.
33. Precipitation= Evaporation + Runoff.
34. In practice, flow velocity adopted for the design of grit chamber is 0.25 to 0.3 m/sec.
35. For stopping sight distance the eye level should be at 1.2m.
36. The longitudinal cofficient of friction on highway for calculation of stopping distance in geometrical design is 0.35 to 0.4.
37. The cofficient of discharge for for Venturimeter (Cd) is ranges from 0.95 to 0.99.

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