Discussion :: Surveying
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In levelling operation
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A.
when the instrument is being shifted, the staff must not be moved |
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B.
when the staff is being carried forward, the instrument must remain stationary |
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C.
both (a) and (b) |
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D.
neither (a) nor (b). |
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Answer : Option C
Explanation :
No answer description available for this question.
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