Surveying
The relation between the air base (B), photographic base (b), flying height (H) and the focal length (f) of a vertical photograph, is

B = b/fH
B =f/bH
B = H/bf
B = bH/f

ANSWER DOWNLOAD EXAMIANS APP

Surveying
Pick up the incorrect statement from the following. In a spherical triangle

Sum of the three angles is equal to two right angles
Every angle is less than two right angles
Sum of the three angles less than six right angles and greater than two right angles
Sum of any two sides is greater than the third

ANSWER DOWNLOAD EXAMIANS APP