Surveying MCQ Questions & Answers

91

Which of the following statements is incorrect ?

A) Error due to refraction may not be completely eliminated by reciprocal levelling. B) Tilting levels are commonly used for precision work. C) The last reading of levelling is always a foresight. D) All of the above statements are incorrect.

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Answer & Solution

Answer: Option D

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92

The displacement of the pictured position of a point of h elevation on a vertical photograph taken with a camera of 30 cm focal length, from an altitude of 3000 m, is

A) 4.4 mm B) 5.5 mm C) 6.5 mm D) 7.5 mm

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Answer & Solution

Answer: Option D

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93

Bowditch rule is applied to

A) an open traverse for graphical adjustment B) a closed traverse for adjustment of closing error C) determine the effect of local attraction D) none of the above

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Answer & Solution

Answer: Option B

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94

The adjustment of horizontal cross hair is required particularly when the instrument is used for

A) leveling B) prolonging a straight line C) measurement of horizontal angles D) all of the above

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Answer & Solution

Answer: Option A

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95

Pick up the correct statement from the following:

A) The horizontal direction of the pole is called astronomical north B) The angle between the direction of true north and the direction of a survey line is called astronomical bearing C) The astronomical bearing is generally called azimuth D) All the above

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Answer & Solution

Answer: Option D

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96

Pick up the correct statement from the following:

A) The measured stereoscopic base of photographs is obtained by dividing the air base in metres by the mean scale of the photograph B) The difference between the absolute parallax of two points depends upon the difference in their elevations C) The line joining the principal point of a photograph and the transferred principal point of the adjoining photograph, is called stereoscopic base D) All the above

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Answer & Solution

Answer: Option D

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97

For any star to be a circumpolar star, its

A) Declination must be 0° B) Declination must be 90° C) Distance from the pole must be less than the latitude of the observer D) Hour angle must be 180°

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Answer & Solution

Answer: Option C

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98

The sidereal day is the time interval between two successive upper transits of

A) Mean sun B) First point of Aries C) First point of Libra D) The polar star

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Answer & Solution

Answer: Option B

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99

If a tripod settles in the interval that elapses between taking a back sight reading and the following foresight reading, then the elevation of turning point will

A) increase B) decrease C) not change D) either ‘A’ or ‘B’

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Answer & Solution

Answer: Option A

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100

The prismatic compass and surveyor’s compass

A) give whole circle bearing (WCB) of a line and quadrantal bearing (QB) of a line respectively B) both give QB of a line and WCB of a line C) both give QB of a line D) both give WCB of a line

Discuss

Answer & Solution

Answer: Option A

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Surveying MCQ Questions & Answers | Civil Engineering