Sub-Engineer Mock Test of 50 Past Question #21

1. Closed contours of decreasing values towards their centre, represent

2. The ‘fix’ of a plane table station with three known points, is bad if the plane table
station lies

3. In chain surveying field work is limited to

4. One of the tacheometric constants is additive, the other constant, is

5. Which of the following has more fire resisting characteristics?

6. Plywood has the advantage of

7. For testing compressive and tensile strength of cement, the cement mortar is made
by mixing cement and standard sand in the proportions of

8. Advantage of a clamp compared to a kiln for burning bricks is that

9. In a loaded beam, the point of con-traflexture occurs at a section where

10. A three-hinged arch is said to be

11. The shape of the bending moment diagram over the length of a beam, having no
external load, is always

12. A beam of length L is pinned at both ends and is subjected to a concentrated
bending couple of moment M at its centre. The maximum bending moment in the beam
is:

13. Geologic cycle for the formation of soil, is

14. Back fill with a sloping surface exerts a total active pressure Pa on the wall of
height H and acts at

15. Factor of safety against sliding of a slope, is the ratio of

16. The ratio of the weight of given volume of soil solids to the weight of an equal
volume of distilled water at the given temperature, is known

17. Differential manometers are used to measure

18. Liquids

19. Hydraulic ram is a device

20. Total head of a liquid particle in motion is the sum of

21. The minimum cube strength of concrete used for a prestressed member, is

22. For initial estimate for a beam design, the width is assumed

23. Design of R.C.C. simply supported beams carrying U.D.L. is based on the resultant
B.M. at

24. The transverse reinforcements provided at right angles to the main
reinforcement

25. The under surface of an arch, is called

26. The process of making the back ground rough, before plastering, is

27. The depth of an arch is the distance between

28. You are asked to design and supervise a truss for a factory to have spans 6 m to 9
m. The type of the truss you will use, is

29. Exposed portions of vertical surface at right angles to the door or window frame,
are known as

30. The equipment used for removing paper and rags from sewers is called

31. The pipe through which liquid waste carrying human excreta flows, is called

32. The minimum diameter of a manhole cover should be

33. Low turbidity of water can be determined by,

34. The maximum permissible turbidity for domestic supplies, on silica scale is

35. The total depth of water required by a crop during the entire period the crop is in
the field, is known as

36. Outlet discharge for a particular crop is given by

37. The process of loosing water from the leaves of plants, is termed as

38. A canal aligned nearly parallel to the contours of a country, is known as

39. The most efficient traffic signal system is

40. The length of the side of warning sign boards of roads is

41. A curve which consists of a single are connecting two straights is known as

42. The distance, measured along the centre line of a road, over which a driver can
see the opposite object on the road surface, is called

43. The height of the sink of wash basin above floor level is kept

44. Anti-siphonage pipe is connected to

45. The unit of measurement is per quintal for the following:

46. Site order book is used for recording

47. The estimated time required to perform an activity, is known as

48. Works costing less than Rs. 20,000 are treated as

49. The length of runway is increased per 300 m rise above M.S.L

50. The height of the pilot’s eye above the runway surface is assumed