Surveying
The altitudes of a circumpolar star at culminations are 70° and 10°, both culminations being north of zenith. The latitude of the place, is

60°
70°
40°
80°

ANSWER DOWNLOAD EXAMIANS APP

Surveying
Dumpy level is most suitable when

the instrument is to be shifted frequently
All of these
fly levelling is being done over long distance
many readings are to be taken from a single setting of the instrument

ANSWER DOWNLOAD EXAMIANS APP