Surveying
Theodolite is an instrument used for

measurement of both horizontal and vertical angles
measurement of horizontal angles only
tightening the capstan-headed nuts of level tube
measurement of vertical angles only

ANSWER DOWNLOAD EXAMIANS APP

Surveying
Systematic errors

All listed here
Can be removed by applying corrections to the observed values
Are also known as cumulative errors
Always follow some definite mathematical law

ANSWER DOWNLOAD EXAMIANS APP