Surveying
Contour interval is

Inversely proportional to the scale of the map
Larger for accurate works
Larger if the time available is more
Directly proportional to the flatness of ground

ANSWER DOWNLOAD EXAMIANS APP

Surveying
Dumpy level is most suitable when

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

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

ANSWER DOWNLOAD EXAMIANS APP