Surveying If α is the observed altitude, the refraction correction in seconds, is 58" tan α 58 sin α 58" cot α 58 cos α 58" tan α 58 sin α 58" cot α 58 cos α ANSWER DOWNLOAD EXAMIANS APP
Surveying The product of the distances of plumb point and horizon point of a vertical photograph from its principal point, is 2f2 f2 ½f 3f2 2f2 f2 ½f 3f2 ANSWER DOWNLOAD EXAMIANS APP
Surveying The maximum error in radial line assumption, is h/H f tan θ h/H f² tan θ h/H f² sin θ h/H f cos θ h/H f tan θ h/H f² tan θ h/H f² sin θ h/H f cos θ 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 Pick up the incorrect statement from the following. The angular distance of heavenly bodies on observer's meridian measured from the pole, is Polar distance Co-declination Co-latitude Co-altitude Polar distance Co-declination Co-latitude Co-altitude ANSWER DOWNLOAD EXAMIANS APP
Surveying Theodolite is an instrument used for measurement of both horizontal and vertical angles measurement of vertical angles only measurement of horizontal angles only tightening the capstan-headed nuts of level tube measurement of both horizontal and vertical angles measurement of vertical angles only measurement of horizontal angles only tightening the capstan-headed nuts of level tube ANSWER DOWNLOAD EXAMIANS APP
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