Correct option is A
Correct back sight is measured by using the instrument. Then if the tripod settles, the reading for fore sigh will come out to be less. Thus making the elevation slightly higher.
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Question
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:
Similar Questions
- 1)
On a plan that was scaled at 1 cm=40 metres, a surveyor measured the distance between two spots, and the result was 450 metres. But afterwards he realised he had been using a scale of 1 cm=20 m. then actual distance between the spots is:
- 2)
On a plan that was scaled at 1 cm=40 metres, a surveyor measured the distance between two spots, and the result was 450 metres. But afterwards he realised he had been using a scale of 1 cm=20 m. then actual distance between the spots is:
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