Surveying The correction for sag is always zero always additive always subtractive sometimes additive and sometimes subtractive always zero always additive always subtractive sometimes additive and sometimes subtractive 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 All listed here Mean solar time Apparent solar time Sidereal time All listed here Mean solar time 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 2 m 3 m 1 m 4 m 2 m 3 m ANSWER DOWNLOAD EXAMIANS APP
Surveying To obtain photographs of an area of 1000 m average elevation, on scale 1 : 30,000, with a camera of 30 cm focal length, the flying height is 7000 m 5000 m 4000 m 6000 m 7000 m 5000 m 4000 m 6000 m ANSWER DOWNLOAD EXAMIANS APP
Surveying The rise and fall method of levelling provides a complete check on foresight backsight intermediate sight All of these foresight backsight intermediate sight All of these ANSWER DOWNLOAD EXAMIANS APP
Surveying The latitude (λ) of a place and the altitude (α) of the pole are related by λ = 90° - α λ = 180° - α λ = α λ = α - 90° λ = 90° - α λ = 180° - α λ = α λ = α - 90° ANSWER DOWNLOAD EXAMIANS APP