Surveying If ‘δ’ is the declination of the star and ‘φ’ is the latitude of the observer then the hour angle of the star at elongation is given by tan H = tan φ . cot δ None of these cos H = tan φ . cot δ sin H = tan φ . cot δ tan H = tan φ . cot δ None of these cos H = tan φ . cot δ sin H = tan φ . cot δ 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 = t. H/v. f i = v. f/t. H i = v. t. H/f i = v. t. (f/H) i = t. H/v. f i = v. f/t. H i = v. t. H/f ANSWER DOWNLOAD EXAMIANS APP
Surveying Triangulation surveys are carried out for providing Height control None of these Both planimetric and height control Planimetric control Height control None of these Both planimetric and height control Planimetric control ANSWER DOWNLOAD EXAMIANS APP
Surveying If θ and δ be the latitude of a place and declination of a star respectively, the upper culmination of the star will be north of zenith if its zenith distance, is θ + δ (θ + δ)/2 θ - δ δ - θ θ + δ (θ + δ)/2 θ - δ δ - θ ANSWER DOWNLOAD EXAMIANS APP
Surveying The correction for parallax, is - 8".8 cos α - 8".8 cos α + 8".8 cos α + .8" sin α - 8".8 cos α - 8".8 cos α + 8".8 cos α + .8" sin α ANSWER DOWNLOAD EXAMIANS APP
Surveying If the horizontal distance between the staff point and the point of observation is d, then the error due to curvature of earth is proportional to d 1/d2 1/d d2 d 1/d2 1/d d2 ANSWER DOWNLOAD EXAMIANS APP
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