Surveying Local attraction in compass surveying may exist due to friction of the needle at the pivot incorrect levelling of the magnetic needle presence of magnetic substances near the instrument loss of magnetism of the needle friction of the needle at the pivot incorrect levelling of the magnetic needle presence of magnetic substances near the instrument loss of magnetism of the needle ANSWER DOWNLOAD EXAMIANS APP
Surveying Normal tension is that pull which makes the correction due to pull equal to zero makes the correction due to sag equal to zero neutralizes the effect due to pull and sag is used at the time of standardising the tape makes the correction due to pull equal to zero makes the correction due to sag equal to zero neutralizes the effect due to pull and sag is used at the time of standardising the tape ANSWER DOWNLOAD EXAMIANS APP
Surveying 23 cm × 23 cm photographs are taken from a flying height with a camera of focal length of 3600 m and 15.23 cm respectively. A parallax difference of 0.01 mm represents 1 m 4 m 3 m 2 m 1 m 4 m 3 m 2 m ANSWER DOWNLOAD EXAMIANS APP
Surveying The latitude of a place was obtained by subtracting the declination of a star from its zenith distance, the observed star was between Zenith and pole Equator and zenith Pole and horizon Horizon and equator Zenith and pole Equator and zenith Pole and horizon Horizon and equator ANSWER DOWNLOAD EXAMIANS APP
Surveying The station where observations are not made, but the angles at the station are used in triangulation series, is known as Main station Pivot station Subsidiary station Satellite station Main station Pivot station Subsidiary station Satellite station ANSWER DOWNLOAD EXAMIANS APP
Surveying The rise and fall method quicker and less tedious for large number of intermediate sights is less accurate than height of instrument method is not suitable for levelling with tilting levels provides a check on the reduction of intermediate point levels quicker and less tedious for large number of intermediate sights is less accurate than height of instrument method is not suitable for levelling with tilting levels provides a check on the reduction of intermediate point levels ANSWER DOWNLOAD EXAMIANS APP