Surveying
Which of the following angles can be set out with the help of French cross staff?

90° only
any angle
either 45° or 90°
45° only

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

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