Surveying Which of the following is not the function of levelling head ? to provide a means for leveling the theodolite to attach the theodolite to the tripod None of these to support the main part of the instrument to provide a means for leveling the theodolite to attach the theodolite to the tripod None of these to support the main part of the instrument ANSWER DOWNLOAD EXAMIANS APP
Surveying On vertical photographs, height displacement is 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 All listed here ANSWER DOWNLOAD EXAMIANS APP
Surveying The process of turning the telescope about the vertical axis in horizontal plane is known as swinging transiting reversing plunging swinging transiting reversing plunging ANSWER DOWNLOAD EXAMIANS APP
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 All listed here To chain pins To a target fixed on theodolite tripod on which theodolite may be fitted easily By using optical system for centering the theodolite All listed here To chain pins ANSWER DOWNLOAD EXAMIANS APP
Surveying If α is the observed altitude, the refraction correction in seconds, is 58" cot α 58 sin α 58 cos α 58" tan α 58" cot α 58 sin α 58 cos α 58" tan α ANSWER DOWNLOAD EXAMIANS APP
Surveying The correction applied to the measured base of length ‘L’ is Slope = (h²/2L) + (h⁴/8L³) where h is height difference of end supports All of these Sag = L³w²/24P² where w is the weight of tape/m Tension = (P - Ps)L/AE Slope = (h²/2L) + (h⁴/8L³) where h is height difference of end supports All of these Sag = L³w²/24P² where w is the weight of tape/m Tension = (P - Ps)L/AE ANSWER DOWNLOAD EXAMIANS APP
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