Surveying
Circumpolar stars

Rotate round the celestial pole
Remain always above the horizon
Are seldom seen near the pole star
Rotate round the North Pole

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Surveying
Dumpy level is most suitable when

the instrument is to be shifted frequently
many readings are to be taken from a single setting of the instrument
All of these
fly levelling is being done over long distance

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Surveying
Which of the following methods of theodolite traversing is suitable for locating the details which are far away from transit stations?

Measuring distance from two points on traverse line
Measuring angle at one station and distance from other
Measuring angle and distance from one transit station
Measuring angles to the point from at least two stations

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