Surveying A ’level line’ is a horizontal line line passing through the objective lens and the eye-piece of a dumpy or tilting level line parallel to the mean spheriodal surface of earth line passing through the center of cross hairs and the center of eye piece horizontal line line passing through the objective lens and the eye-piece of a dumpy or tilting level line parallel to the mean spheriodal surface of earth line passing through the center of cross hairs and the center of eye piece ANSWER DOWNLOAD EXAMIANS APP
Surveying If ‘δ’ is the declination of the Polaris and ‘λ’ is the latitude of the place, the azimuth of the Polaris, is cos (90° - δ)/cos (90° - λ) tan (90° + δ)/tan (90° + λ) cos δ/cos λ sin (90° - δ)/sin (90° - λ) cos (90° - δ)/cos (90° - λ) tan (90° + δ)/tan (90° + λ) cos δ/cos λ sin (90° - δ)/sin (90° - λ) ANSWER DOWNLOAD EXAMIANS APP
Surveying The latitude (λ) of a place and the altitude (α) of the pole are related by λ = α - 90° λ = 90° - α λ = 180° - α λ = α λ = α - 90° λ = 90° - α λ = 180° - α λ = α ANSWER DOWNLOAD EXAMIANS APP
Surveying Height of instrument method of levelling is quicker and less tedious for large number of intermediate sights less accurate than rise and fall method more accurate than rise and fall method None of these quicker and less tedious for large number of intermediate sights less accurate than rise and fall method more accurate than rise and fall method None of these ANSWER DOWNLOAD EXAMIANS APP
Surveying Which of the following methods of offsets involves less measurement on the ground? method of perpendicular offsets all involve equal measurement on the ground method of ties method of oblique offsets method of perpendicular offsets all involve equal measurement on the ground method of ties method of oblique offsets ANSWER DOWNLOAD EXAMIANS APP
Surveying An aerial photograph may be assumed as None of these Orthogonal projection Parallel projection Central projection None of these Orthogonal projection Parallel projection Central projection ANSWER DOWNLOAD EXAMIANS APP