Surveying
Right ascension of a heavenly body is its equatorial angular distance measured

Westward from the first point of Libra
Eastward from the first point of Aeries
Westward from the first point of Aeries
Eastward from the first point of Libra

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Surveying
The difference between a level line and a horizontal line is that

both are same
horizontal line is normal to plumb line while level line may not be normal to the plumb line
level line is normal to plumb line while horizontal line may not be normal to plumb line at the tangent point to level line
level line is a curved line while hori-zontal line is a straight line

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

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