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81
In presmatic compass, which enables the oscillations of the needle to be damped . . . . . . . .
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Answer & Solution
Answer: Option A
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82
In survey work, the position of a point is determined with reference to . . . . . . . .
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Answer: Option B
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83
An engineering survey conducted for determining the fesiability of work is known as . . . . . . . .
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Answer: Option A
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84
If the survey lines in a traverse done by compass survey are to be now retraced on the ground, then it is necessary to know the following on the date the survey was performed.
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Answer: Option B
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85
Electronic theodolite also called as . . . . . . . .
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Answer: Option D
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86
A line used to find out the accuracy of chain survey is called . . . . . . . .
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Answer: Option A
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87
The most probable value arid the probable error of the area of a rectangle whose sides are 50 ± 0.04 m and 150 ± 0.06 m
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Answer: Option D
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88
While ranging, if right arm is extended to the right side it means . . . . . . . .
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Answer: Option C
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89
If the chain is too long, the measured length of the line.
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Answer & Solution
Answer: Option A
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90
The line joining the optical centre of the object glassto the centre of the eye piece called . . . . . . . .
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Answer: Option D
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