Surveying The elevation of the star at elongation is obtained by sin α = sin φ cosec δ sin α = cos φ cosec δ sin α = cos φ sec δ sin α = sin φ sec δ sin α = sin φ cosec δ sin α = cos φ cosec δ sin α = cos φ sec δ sin α = sin φ sec δ ANSWER DOWNLOAD EXAMIANS APP
Surveying Benchmark is established by trigonometrical levelling barometric levelling hypsometry spirit levelling trigonometrical levelling barometric levelling hypsometry spirit levelling ANSWER DOWNLOAD EXAMIANS APP
Surveying With standard meridian as 82° 30' E the standard time at longitude 90° E is 8 h 30 m. The local mean time at the place will be 7 h 30 m 7 h 00 m 9 h 00 m 8 h 00 m 7 h 30 m 7 h 00 m 9 h 00 m 8 h 00 m ANSWER DOWNLOAD EXAMIANS APP
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 60° 30° 35° 45° 60° 30° 35° 45° ANSWER DOWNLOAD EXAMIANS APP
Surveying Closed contours, with higher value inwards, represent a None of these depression hillock plain surface None of these depression hillock plain surface ANSWER DOWNLOAD EXAMIANS APP
Surveying An imaginary line lying throughout the surface of ground and preserving a constant inclination to the horizontal is known as contour interval horizontal equivalent contour line contour gradient contour interval horizontal equivalent contour line contour gradient ANSWER DOWNLOAD EXAMIANS APP