Surveying To avoid large centering error with very short legs, observations are generally made To a target fixed on theodolite tripod on which theodolite may be fitted easily By using optical system for centering the theodolite To chain pins All listed here To a target fixed on theodolite tripod on which theodolite may be fitted easily By using optical system for centering the theodolite To chain pins All listed here ANSWER DOWNLOAD EXAMIANS APP
Surveying On vertical photographs, height displacement is All listed here Positive for points above datum Negative for points below datum Zero for points vertically below the air station All listed here Positive for points above datum Negative for points below datum Zero for points vertically below the air station ANSWER DOWNLOAD EXAMIANS APP
Surveying The angle of intersection of the two plane mirrors of an optical square is 60° 30° 90° 45° 60° 30° 90° 45° ANSWER DOWNLOAD EXAMIANS APP
Surveying If ‘δ’ is the declination of the star and ‘φ’ is the latitude of the observer then the hour angle of the star at elongation is given by cos H = tan φ . cot δ tan H = tan φ . cot δ None of these sin H = tan φ . cot δ cos H = tan φ . cot δ tan H = tan φ . cot δ None of these sin H = tan φ . cot δ ANSWER DOWNLOAD EXAMIANS APP
Surveying While making astronomical observations, the observer is mainly concerned with The direction of the poles of the celestial sphere The direction of the vertical, the axis of rotation of the instrument The direction of the star from the instrument All listed here The direction of the poles of the celestial sphere The direction of the vertical, the axis of rotation of the instrument The direction of the star from the instrument All listed here ANSWER DOWNLOAD EXAMIANS APP
Surveying A ’level line’ is a line passing through the objective lens and the eye-piece of a dumpy or tilting level horizontal line line parallel to the mean spheriodal surface of earth line passing through the center of cross hairs and the center of eye piece line passing through the objective lens and the eye-piece of a dumpy or tilting level horizontal line line parallel to the mean spheriodal surface of earth line passing through the center of cross hairs and the center of eye piece ANSWER DOWNLOAD EXAMIANS APP
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