Surveying
The sidereal day is the time interval between two successive upper transits of

The polar star
First point of Libra
First point of Aries
Mean sun

ANSWER DOWNLOAD EXAMIANS APP

Surveying
The cross hairs in the surveying telescope are placed

much closer to the eye-piece than to the objective lens
much closer to the objective lens than to the eye piece
anywhere between eye-piece and objective lens
midway between eye piece and objec-tive lens

ANSWER DOWNLOAD EXAMIANS APP

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

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

ANSWER DOWNLOAD EXAMIANS APP