Surveying In a spherical triangle ABC, right angled at C, sin b equals cos a sin A tan a cot A cot A tan a sin a cos A cos a sin A tan a cot A cot A tan a sin a cos A ANSWER DOWNLOAD EXAMIANS APP
Surveying An aerial photograph may be assumed as Central projection None of these Orthogonal projection Parallel projection Central projection None of these Orthogonal projection Parallel projection ANSWER DOWNLOAD EXAMIANS APP
Surveying The elevation of the star at elongation is obtained by sin α = cos φ sec δ sin α = sin φ cosec δ sin α = cos φ cosec δ sin α = sin φ sec δ sin α = cos φ sec δ sin α = sin φ cosec δ sin α = cos φ cosec δ sin α = sin φ sec δ ANSWER DOWNLOAD EXAMIANS APP
Surveying The foot of the perpendicular on the picture plane through the optical centre of the camera lens, is known as Plumb line Perspective centre Principal point Isocenter Plumb line Perspective centre Principal point Isocenter ANSWER DOWNLOAD EXAMIANS APP
Surveying If a tripod settles in the interval that elapses between taking a back sight reading and the following foresight reading, then the elevation of turning point will decrease either ‘A’ or ‘B’ not change increase decrease either ‘A’ or ‘B’ not change increase ANSWER DOWNLOAD EXAMIANS APP
Surveying If v, t and f/H are the ground speed of the aircraft, the shutter speed of the camera and the scale of the photograph respectively, then the amount of image displacement i = v. t. (f/H) i = v. t. H/f i = v. f/t. H i = t. H/v. f i = v. t. (f/H) i = v. t. H/f i = v. f/t. H i = t. H/v. f ANSWER DOWNLOAD EXAMIANS APP