Surveying
The instrument used for accurate centering in plane table survey is

trough compass
alidade
plumbing fork
spirit level

ANSWER DOWNLOAD EXAMIANS APP

Surveying
Which of the following errors is not eliminated by the method of repetition of horizontal angle measurement ?

error due to wrong adjustment of line of collimation and trunnion axis
error due to inaccurate graduation
error due to displacement of station signals
error due to eccentricity of verniers

ANSWER DOWNLOAD EXAMIANS APP