Surveying
After fixing the plane table to the tripod, the main operations which are needed at each plane table station are
(i) Levelling
(ii) Orientation(
iii) Centering
The correct sequence of these operations is

(i), (ii), (iii)
(iii), (i), (ii)
(ii), (iii), (i)
(i), (iii), (ii)

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Surveying
The meridian of a place is

A great circle whose plane is perpendicular to the axis of rotation and it also passes through the place
An arc of the great circle which passes through the place and is perpendicular to the equator
A semi-circle which passes through the place and is terminated at the poles
A great circle passing through the place and the poles

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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 and distance from one transit station
Measuring angle at one station and distance from other
Measuring distance from two points on traverse line

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