Surveying The rate of change of parallax dp/dh with respect to change in h, may be expressed as fB/(H + h)² fB/(H - h) fB/(H - h)² fB/(H + h) fB/(H + h)² fB/(H - h) fB/(H - h)² fB/(H + h) 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 30 km 10 km 50 km 25 km 30 km 10 km 50 km 25 km ANSWER DOWNLOAD EXAMIANS APP
Surveying Which of the following methods of offsets involves less measurement on the ground? all involve equal measurement on the ground method of perpendicular offsets method of ties method of oblique offsets all involve equal measurement on the ground method of perpendicular offsets method of ties method of oblique offsets ANSWER DOWNLOAD EXAMIANS APP
Surveying The point where a vertical line through the optical centre of the camera lens intersects the ground, is known as Iso-centre Perspective centre Ground principal point Ground plumb point Iso-centre Perspective centre Ground principal point Ground plumb point ANSWER DOWNLOAD EXAMIANS APP
Surveying For any star to be a circumpolar star, its Hour angle must be 180° Distance from the pole must be less than the latitude of the observer Declination must be 0° Declination must be 90° Hour angle must be 180° Distance from the pole must be less than the latitude of the observer Declination must be 0° Declination must be 90° ANSWER DOWNLOAD EXAMIANS APP
Surveying If ‘δ’ is the declination of the star and ‘φ’ is the latitude of the observer, then the azimuth of the star at elongation is given by cos z = sec φ . cos δ sin z = sec φ . cos δ None of these tan z = sec φ . cos δ cos z = sec φ . cos δ sin z = sec φ . cos δ None of these tan z = sec φ . cos δ ANSWER DOWNLOAD EXAMIANS APP
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