surveying MCQs – Page 3

Practise focused surveying questions with marked answers for exam preparation and subject revision.

surveying Mcqs
41. The correction for sag is_________________?
comments icon0

A. always zero

B. sometimes additive and sometimes subtractive

C. always subtractive

D. always additive

42. The length of a chain is measured from_______________?
comments icon0

A. centre of one handle to centre of other handle

B. outside of one handle to outside of other handle

C. outside of one handle to inside of other handle

D. inside of one handle to inside of other handle

43. If in a closed traverse, the sum of the north latitudes is more than the sum of the south latitudes and also the sum of west departures is more than the sum of the east departures, the bearing of the closing line is in the________________?
comments icon0

A. SW quadrant

B. SE quadrant

C. NW quadrant

D. NE quadrant

44. Which of the following angles can be set out with the help of French cross staff?
comments icon0

A. any angle

B. 45 only

C. either 45 or 90

D. 90 only

45. During chaining along a straight line, the . leader of the party has 4 arrows in his hand while the follower has 6. Distance of the follower from the starting point is_____________?
comments icon0

A. 180m

B. 4 chains

C. 120 m

D. 6 chains
46. Theodolite is an instrument used for_________________?
comments icon0

A. tightening the capstan-headed nuts of level tube

B. measurement of horizontal angles only

C. measurement of vertical angles only

D. measurement of both horizontal and vertical angles
47. The permissible error in chaining for measurement with chain on rough or hilly ground is_____________?
comments icon0

A. 1 in 1000

B. 1 in 250

C. 1 in 100

D. 1 in 500

48. As applied to staff readings, the corrections for curvature and refraction are respectively The above table shows a part of a level field book. The value of X should be________________?
comments icon0

A. 102.3

B. 98.7

C. 100.00

D. 103.3

49. The angle between the prolongation of the preceding line and the forward line of a traverse is called ________________?
comments icon0

A. direct angle

B. included angle

C. none of the above

D. deflection angle
50. Which of the following methods of con-touring is most suitable for a hilly terrain ?
comments icon0
A. tacheometric method

B. direct method

C. cross-sections method

D. square method

51. Local attraction in compass surveying may exist due to________________?
comments icon0
A. presence of magnetic substances near the instrument

B. loss of magnetism of the needle

C. incorrect levelling of the magnetic needle

D. friction of the needle at the pivot

52. The instrument used for accurate centering in plane table survey is________________?
comments icon0

A. spirit level

B. trough compass

C. plumbing fork

D. alidade

53. The maximum tolerance in a 20 m chain is_______________?
comments icon0

A. 3 mm

B. 8 mm

C. 5 mm

D. 2 mm

54. Three point problem can be solved by_________________?
comments icon0

A. Bessels method

B. all of the above

C. Lehmans method

D. Tracing paper method

55. Which of the following errors can be neutralised by setting the level midway between the two stations ?
comments icon0

A. error due to curvature only

B. error due to refraction only

C. error due to both curvature and re-fraction

D. none of the above

56. Agate cap is fitted with a_________________?
comments icon0

A. level

B. prismatic compass

C. chain

D. cross staff

57. If the horizontal distance between the staff point and the point of observation is d, then the error due to curvature of earth is proportional to_______________?
comments icon0

A. d

B. 1/d

C. 1/d2

D. d2
58. If the R.L. of a B.M. is 100.00 m, the back- sight is 1.215 m and the foresight is 1.870 m, the R.L. of the forward station is_________________?
comments icon0

A. 100.655m

B. 99.345 m

C. 100.345 m

D. 101.870m

59. Alevel lineis a______________?
comments icon0

A. horizontal line

B. line passing through the center of cross hairs and the center of eye piece

C. line passing through the objective lens and the eye-piece of a dumpy or tilting level

D. line parallel to the mean spheriodal surface of earth
60. The angle of intersection of the two plane mirrors of an optical square is______________?
comments icon0
A. 45

B. 90

C. 60

D. 30