Surveying If the altitudes of a star at its upper and lower transits are 60° 30' and 19° 30' respectively, the latitude of the place, is 35° 30° 60° 45° 35° 30° 60° 45° ANSWER DOWNLOAD EXAMIANS APP
Surveying A series of closely spaced contour lines represents a plane surface gentle slope uniform slope steep slope plane surface gentle slope uniform slope steep slope ANSWER DOWNLOAD EXAMIANS APP
Surveying The altitude of a heavenly body is its angular distance, measured on the vertical circle passing through the body, above Equator None of these Pole Horizon Equator None of these Pole Horizon 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 Principal point Plumb line Perspective centre Isocenter Principal point Plumb line Perspective centre Isocenter ANSWER DOWNLOAD EXAMIANS APP
Surveying To obtain photographs of an area of 1000 m average elevation, on scale 1 : 30,000, with a camera of 30 cm focal length, the flying height is 6000 m 5000 m 7000 m 4000 m 6000 m 5000 m 7000 m 4000 m ANSWER DOWNLOAD EXAMIANS APP
Surveying If ‘f’ is the focal length of the camera lens and ‘θ’ is the angle of tilt, the distance of the plumb point from the principal point will be f sin θ f tan θ f cos θ f sec θ f sin θ f tan θ f cos θ f sec θ ANSWER DOWNLOAD EXAMIANS APP
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