Surveying
The difference in longitude of two places expressed in time is equal to the difference in their

All listed here
Mean solar time
Sidereal time
Apparent solar time

ANSWER DOWNLOAD EXAMIANS APP

Surveying
Which of the following errors cannot be eliminated by taking both face observations ?

None of these
index error i.e. error due to imperfect adjustment of the vertical circle vernier
error due to horizontal axis not being perpendicular to the vertical axis
error due to non-parallelism of the axis of telescope level and line of collimation

ANSWER DOWNLOAD EXAMIANS APP