Civil Engineer Loksewa Exam Model Questions | Civil Engineer Level 7 Loksewa Exam Questions

1. Seasoning of timber is essential to remove

a. knots from timber

b. sap from timber

c. twisted fiber from timber

d. roughness of timber

2. If x is the smallest division on the main scale and n are the number of

divisions on the vernier, then the least count of the vernier is

a. x + n

b. x- n

c. X x n

d. x/n

3. When the tape of length ( L ) and weight (w) N/m is stretched at its ends

with a pull (p) N, then the correction for sag required is

a. wL/24 P

b. w

2

L

2

/24 p2

c. w

3

L

3

/24 P3

d. w

4

L

4

/24 P4

4. When the position of a point is to be located accurately by a

perpendicular offset, the direction of perpendicular is set out by means of

a. theodolite

b. optical square

c. dumpy level

d. plain meter

5. The angle of intersection of the horizon glass and index glass in an optical

square is

a. 30°

b. 45°

c. 60°

d. 75°

6. When the object lies on the left hand side of the chain line , then while

taking offset with an optical square, it is held in

a. Left hand upside down

b. right hand upside down

c. left hand upright

d. right hand upright

7. The theodolite is an instrument used for measuring very accurately

a. horizontal angles only

b. vertical angles only

c. horizontal and vertical angles

d. linear measurement

8. A deflection angle in a traverse is equal to the

a. differences between the included angle and 180°

b. differences between 360° and the included angle

c. sum of the included angle and 180°

d. none of the above

9. The vertical distance between any two consecutive contours is called

a. vertical equivalent

b. horizontal equivalent

c. contour interval

d. contour gradient

10.Which of the following is an example of silicious rock?

a. granite

b. Gneiss

c. Quartzite

d. All of these

11.Granite is mainly composed of

a. Quartz and mica

b. Felspar and mica

c. Quartz, Felspar

d. Quartz, Felspar and mica

12.A good building stone is one which does not absorb more than of its

weight of water after one day's immersion

a. 5%

b. 10%

c. 15%

d. 25%

13.The compressive strength of sandstone is

a. 40 MN/m2

b. 55 MN/m2

c. 65MN/m2

d. 80MN/m2

14.The frog of a brick is normally made on its

a. longer face

b. shorter face

c. bottom face

d. top face

15.The compressive strength of second class bricks should not be less than

a. 7.5 MN/m2

b. 9MN/m2

c. 10.5MN/m2

d. 12MN/m2

16.Which of the following statement is correct?

a. The fat lime swells two to three times of its original volume during

slaking

b. The poor lime is of pure white

c. The feebly hydraulic lime slakes sluggishly

d. All of the above

17.The amount of Gypsum, usually, added in the manufacture of cement is

a. 0.1 to 0.5%

b. 0.5 to 1%

c. 1 to 3%

d. 3 to 5%

18.The rate of hydration and hydrolysis of cement depends upon its

a. soundness

b. fineness

c. setting time

d. Tensile strength

19.The durability of cement concrete is usually improved by

a. increasing the quantity of coarse sand

b. increasing the quantity of cement

c. decreasing the water-cement ratio

d. decreasing the proportion of fine aggregate

20.The shrinkage of concrete

a. is proportional to contents of cement

b. is directly proportional to water contents at the time of mixing

c. increase with increase in the percentage of concrete

d. all of the above

21.The purpose seasoning of timber is to

a. change the direction of grains

b. remove voids

c. reduce moisture content

d. all of these

22.The thickness of lamin boards vary form

a. 5 to 12 mm

b. 12 to 15 mm

c. 12 to 25 mm

d. 25 to 30mm

23.Enamel paint is made by adding

a. White lead in varnish

b. Bitumen in varnish

c. White lead in lacquer

d. Zinc white in sprit

24.The cement concrete in which high compressive stress are artificially

induced before its actual use, is called

a. plain cement concrete

b. reinforced cement concrete

c. prestressed cement concrete

d. Lime concrete

25.After the final grinding, the cement is sieved through IS sieve number

a. 9

b. 12

c. 24

d. 48

26.The tricalcium aluminate in cement has the property of

a. reacting fast with water

b. causing infial setting of cement

c. generating large amount of heart hydration

d. all of these

27.Blast furnace slag cement

a. develops low heat of hydration

b. has less early strength

c. develops high heat of hydration

d. has high early strength

28.The compressive strength of an ordinary Portland cement (1:3 cement

mortar cube ) after 7 days test should not be less than

a. 11/mm2

b. 17.5N/mm2

c. 22N/mm2

d. 27.5 N/mm2

29.The percentage of water for making a cement paste of normal consistency

varies from

a. 15 to 25%

b. 25 to 35%

c. 35 to 50%

d. 50 to 60%

30.The aggregate of ......... shape have minimum voids

a. irregular

b. angular

c. rounded

d. flaky

31.If the aggregate completely passes through a 50 mm sieve and retained in

40 mm sieve, then the particular aggregate is said to be flaky if its least

dimension is less than

a. 27mm

b. 37mm

c. 47mm

d. 57mm

32.The resistance of an aggregate to wear is known as

a. shear value

b. crushing value

c. abrasion value

d. impact value

33.With the moisture content of 5 to 10% by weight, the bulking of sand is

increased by

a. 20%

b. 30%

c. 40%

d. 50%

34.For the improvement of workability of concrete, the shape of aggregate

recommended is

a. irregular

b. angular

c. round

d. flaky

35.The workability of concrete is expressed by

a. water-cement ratio

b. slump value

c. compaction factor

d. both (a) and (b)

36.The maximum quantity of aggregate per 50 kg of cement should not

exceed

a. 100kg

b. 200kg

c. 350kg

d. 450kg

37.The ordinary concrete is not used for ........ grade of concrete mix

a. M 10

b. M 20

c. M 25

d. M 40

38.The importance of storing the various ingredients of concrete is

a. to maintain the uniform of grading

b. to maintain the uniformity of moisture

c. to maintain the strength of materials

d. both (a) and (b)

39.In a singly reinforced beam, the effective depth is measured form the

compression edge to the

a. tensile edge

b. centre of tensile reinforcement

c. natural axis of the beam

d. none of these

40.The modular ratio is the ratio of

a. Young's modulus of steel to the young's modulus of steel

b. Load carried by concrete to the carried by steel

c. Young's modulus of concrete to the young's modulus of steel

d. None of the above

41.Normally, the tensile strength of concrete is about .... of its compressive

strength

a. 10 to 15%

b. 15 to 20%

c. 20 to 25%

d. 25 to 30%

42.The moment of resistance of an under reinforced section is computed on

the basis of

a. compressive force development in concrete

b. tensile force developed in steel

c. both (a) and (b)

d. none of these

43.Force an over reinforced ( singly reinforced ) rectangular reinforced

concrete section

a. The lever arm will be less than that for a balanced section

b. The maximum stress developed by steel will be equal to the allowable

stress in steel

c. The maximum stress developed by concrete will be equal to allowable

stress in concrete

d. none of the above

44.Which one of the following sections of equal cross-sectional area can

resist the tensional moment of a R.C.C beam section more efficiently

when working stress design is adopted?

a. an unsymmetrical section

b. a box section

c. a solid rectangular section

d. a symmetrical I- section

45.For M 15 grade concrete, the section is to be redesigned if shear stress is

more than

a. 0.5 N/mm2

b. 1 N/mm2

c. 1.5 N/mm2

d. 2 N/mm2

46.The bond between steel and concrete is mainly due to

a. pure adhesive resistance

b. frictional resistance

c. mechanical resistance

d. all of the these

47.In a T-beam, the breath of the rid is equal to the

a. Total thickness of the slab, including cover

b. Width of the portion of the beam in the compressive zone

c. Width of the portion of the beam in the tensile zone

d. none of the above

48.The purpose of transverse reinforcement, in a slab, is to

a. distribute the effects of point load on the slab more evenly and

uniformly

b. keep the main reinforcement in position

c. both a and b

d. none of the these

49.In construction work, The controlling function aims at

a. keeping a watch over the physical progress of each activity of the

work

b. Controlling the expenditure on each item of work

c. Controlling the use of machines and materials

d. all of the above

50.A construction team includes

a. owner

b. engineer

c. architect

d. all of the above

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Answer Key :

1. B 2. D 3. B 4. B 5. B 6. C 7. C 8. A 9. C 10. D

11. D 12. A 13. C 14. D 15. A 16. A 17. C 18. B 19. B 20. C

21. C 22. C 23. A 24. C 25. A 26. D 27. C 28. B 29. B 30. C

31. A 32. C 33. D 34. C 35. D 36. D 37. D 38. D 39. B 40. A

41. A 42. B 43. C 44. C 45. D 46. D 47. C 48. C 49. D 50. D