Surveying
Local attraction in compass surveying may exist due to

presence of magnetic substances near the instrument
friction of the needle at the pivot
incorrect levelling of the magnetic needle
loss of magnetism of the needle

ANSWER DOWNLOAD EXAMIANS APP

Surveying
Which of the following methods of theodolite traversing is suitable for locating the details which are far away from transit stations?

Measuring distance from two points on traverse line
Measuring angles to the point from at least two stations
Measuring angle at one station and distance from other
Measuring angle and distance from one transit station

ANSWER DOWNLOAD EXAMIANS APP

Surveying
Accidental errors

Do not follow any definite mathematical law
Cannot be removed by applying corrections to the observed values
All of these
Are generally small

ANSWER DOWNLOAD EXAMIANS APP