surveying MCQs – Page 4

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

surveying Mcqs
61. The following sights are taken on a turning point________________?
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A. foresight and intermediate sight

B. backsight only

C. foresight and backsight

D. foresight only

62. Which of the following is not used in measuring perpendicular offsets ?
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A. optical square

B. line ranger

C. steel tape

D. cross staff

63. Detailed plotting is generally done by________________?
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A. resection

B. traversing

C. radiation

D. all of the above

64. The type of surveying which requires least office work is________________?
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A. plane table surveying

B. theodolite surveying

C. trigonometrical levelling

D. tacheomefry

65. In the double application of principle of reversion, the apparent error is_______________?
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A. equal to true error

B. half the true error

C. four times the true error

D. two times the true error

66. The horizontal angle between the true meridian and magnetic meridian at a place is called______________?
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A. declination

B. magnetic bearing

C. local attraction

D. azimuth

67. The number of horizontal cross wires in a stadia diaphragm is ________________?
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A. one

B. three

C. four

D. two

68. For which of the following permanent adjustments of theodolite, the spire test is used ?
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A. adjustment of horizontal axis

B. adjustment of plate levels

C. adjustment of altitude bubble and vertical index frame

D. adjustment of line of sight

69. If the intercept on a vertical staff is ob-served as 0.75 m from a tacheometer, the horizontal distance between tacheometer and staff station is________________?
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A. 7.5 m

B. 50

C. 75 m

D. 25 m

70. Overturning of vehicles on a curve can be avoided by using ________________?
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A. reverse curve

B. compound curve

C. vertical curve

D. transition curve
71. Closed contours, with higher value inwards, represent a_______________?
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A. none of the above

B. depression

C. plain surface

D. hillock
72. The rise and fall method of levelling provides a complete check on_______________?
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A. intermediate sight

B. foresight

C. backsight

D. all of the above
73. Cross staff is an instrument used for________________?
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A. none of the above

B. measuring approximate horizontal angles

C. measuring bearings of the lines

D. setting out right angles
74. A series of closely spaced contour lines represents a___________________?
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A. steep slope

B. gentle slope

C. plane surface

D. uniform slope

75. A metallic tape is made of ______________ ?
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A. steel

B. linen

C. invar

D. cloth and wires
76. The rise and fall method_______________?
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A. is not suitable for levelling with tilting levels

B. quicker and less tedious for large number of intermediate sights

C. is less.accurate than height of instrument method

D. provides a check on the reduction of intermediate point levels
77. Intersection method of detailed plotting is most suitable for________________?
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A. hilly areas

B. plains

C. urban areas

D. forests

78. For a tacheometer the additive and multi-plying constants are respectively________________?
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A. 0 and 100

B. 100 and 0

C. 0 and 0

D. 100 and 100

79. Which of the following errors can be eliminated by taking mean of bot face observations ?
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A. error due to imperfect graduations

B. error due to line of collimation not being perpendicular to horizontal axis

C. error due to imperfect adjustment of plate levels

D. error due to eccentricity of verniers

80. The size of a plane table is________________?
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A. 300 mm x 450 mm

B. 600 mm x 750 mm

C. 450 mm x 600 mm

D. 750 mm x 900 mm