Surveying The net ground area of a vertical photograph 20 cm × 20 cm on scale 1 : 10,000 having overlaps 60% and 30%, is 0.60 sq km 0.56 sq km 0.50 sq km 0.64 sq km 0.60 sq km 0.56 sq km 0.50 sq km 0.64 sq km ANSWER DOWNLOAD EXAMIANS APP
Surveying The angle of intersection of the two plane mirrors of an optical square is 45° 60° 30° 90° 45° 60° 30° 90° ANSWER DOWNLOAD EXAMIANS APP
Surveying The principal plane contains Iso-centre Principal point Nadir point All of these Iso-centre Principal point Nadir point All of these ANSWER DOWNLOAD EXAMIANS APP
Surveying The difference in longitude of two places expressed in time is equal to the difference in their Apparent solar time Sidereal time Mean solar time All listed here Apparent solar time Sidereal time Mean solar time All listed here ANSWER DOWNLOAD EXAMIANS APP
Surveying The solar tidal force divided by lunar tidal force is 1/3 1/2 3/4 5/4 1/3 1/2 3/4 5/4 ANSWER DOWNLOAD EXAMIANS APP
Surveying The hour angle of the heavenly body for Greenwich meridian equals the hour angle of the body for any other meridian + longitude: Mean sun All listed here Vernal equinox True sun Mean sun All listed here Vernal equinox True sun ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS