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 δ - θ θ - δ (θ + δ)/2 θ + δ δ - θ θ - δ (θ + δ)/2 θ + δ ANSWER DOWNLOAD EXAMIANS APP
Surveying If two points differing by 1° of latitude and of the same longitude is 110 km apart on the earth, then two astronomical positions on the moon is about 25 km 30 km 10 km 50 km 25 km 30 km 10 km 50 km ANSWER DOWNLOAD EXAMIANS APP
Surveying The elevation of the star at elongation is obtained by sin α = sin φ sec δ sin α = cos φ cosec δ sin α = cos φ sec δ sin α = sin φ cosec δ sin α = sin φ sec δ sin α = cos φ cosec δ sin α = cos φ sec δ sin α = sin φ cosec 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 Isocenter Plumb line Perspective centre Principal point Isocenter Plumb line Perspective centre Principal point ANSWER DOWNLOAD EXAMIANS APP
Surveying The Polaris remains below horizon at 5° S latitude 10° N 50° N Latitude Equator 5° S latitude 10° N 50° N Latitude Equator ANSWER DOWNLOAD EXAMIANS APP
Surveying Local attraction in compass surveying may exist due to incorrect levelling of the magnetic needle loss of magnetism of the needle friction of the needle at the pivot presence of magnetic substances near the instrument incorrect levelling of the magnetic needle loss of magnetism of the needle friction of the needle at the pivot presence of magnetic substances near the instrument ANSWER DOWNLOAD EXAMIANS APP
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