Surveying
Theodolite is an instrument used for

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

ANSWER DOWNLOAD EXAMIANS APP

Surveying
Systematic errors

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

ANSWER DOWNLOAD EXAMIANS APP