Surveying On vertical photographs, height displacement is All listed here Negative for points below datum Zero for points vertically below the air station Positive for points above datum All listed here Negative for points below datum Zero for points vertically below the air station Positive for points above datum ANSWER DOWNLOAD EXAMIANS APP
Surveying To avoid large centering error with very short legs, observations are generally made To chain pins By using optical system for centering the theodolite To a target fixed on theodolite tripod on which theodolite may be fitted easily All listed here To chain pins By using optical system for centering the theodolite To a target fixed on theodolite tripod on which theodolite may be fitted easily All listed here ANSWER DOWNLOAD EXAMIANS APP
Surveying The value of geocentric parallax to be added to the observed altitude of sun is 9" cot α 9" sin α 9" cos α 9" tan α 9" cot α 9" sin α 9" cos α 9" tan α ANSWER DOWNLOAD EXAMIANS APP
Surveying The correction for parallax, is - 8".8 cos α + .8" sin α + 8".8 cos α - 8".8 cos α - 8".8 cos α + .8" sin α + 8".8 cos α - 8".8 cos α ANSWER DOWNLOAD EXAMIANS APP
Surveying If altitude bubble is provided both on index frame as well as on telescope of a theodolite, then the instrument is levelled with reference toi) altitude bubble on index frameii) altitude bubble on index frame if it is to be used as a leveliii) altitude bubble on telescopeiv) altitude bubble on telescope if it is to be used as a level The correct answer is both (ii) and (iii) only (iii) both (i) and (iv) only (i) both (ii) and (iii) only (iii) both (i) and (iv) only (i) ANSWER DOWNLOAD EXAMIANS APP
Surveying The prime vertical passes through All of these The east point of the horizon The west point of the horizon The zenith point of the observer All of these The east point of the horizon The west point of the horizon The zenith point of the observer ANSWER DOWNLOAD EXAMIANS APP
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