Surveying The hour angle of the heavenly body for Greenwich meridian equals the hour angle of the body for any other meridian + longitude: All listed here Vernal equinox True sun Mean sun All listed here Vernal equinox True sun Mean sun ANSWER DOWNLOAD EXAMIANS APP
Surveying The sidereal day is the time interval between two successive upper transits of First point of Libra First point of Aries The polar star Mean sun First point of Libra First point of Aries The polar star Mean sun ANSWER DOWNLOAD EXAMIANS APP
Surveying Subtense bar is an instrument used for measurement of horizontal distances in plane areas measurement of angles levelling measurement of horizontal distances in undulated areas measurement of horizontal distances in plane areas measurement of angles levelling measurement of horizontal distances in undulated areas 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 1/d d2 d 1/d2 1/d d2 d 1/d2 ANSWER DOWNLOAD EXAMIANS APP
Surveying At eastern elongation, the pole star moves Eastward Southward Westward Northward Eastward Southward Westward Northward 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 sec δ sin α = cos φ cosec δ sin α = sin φ cosec δ sin α = sin φ sec δ sin α = cos φ sec δ sin α = cos φ cosec δ sin α = sin φ cosec δ ANSWER DOWNLOAD EXAMIANS APP