Surveying If the length of a chain is found to be short on testing, it can be adjusted by closing the joints of the rings if opened out straightening the links All of these removing one or more small circular rings closing the joints of the rings if opened out straightening the links All of these removing one or more small circular rings 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 levelThe correct answer is both (ii) and (iii) only (i) both (i) and (iv) only (iii) both (ii) and (iii) only (i) both (i) and (iv) only (iii) ANSWER DOWNLOAD EXAMIANS APP
Surveying The difference of height of two points whose parallax difference is 0.8 mm on a pair of stereo pair taken from a height ‘H’ is 100 m. If mean photo base is 95.2 mm, the flying height is 14,000 m 8,000 m 12,000 m 10,000 m 14,000 m 8,000 m 12,000 m 10,000 m 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 sin H = tan φ . cot δ None of these tan H = tan φ . cot δ cos H = tan φ . cot δ sin H = tan φ . cot δ None of these tan H = tan φ . cot δ ANSWER DOWNLOAD EXAMIANS APP
Surveying The principal line is the line joining the principal point and Perspective centre Isocenter None of these Nadir Perspective centre Isocenter None of these Nadir 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 To chain pins By using optical system for centering the theodolite All listed here To a target fixed on theodolite tripod on which theodolite may be fitted easily To chain pins By using optical system for centering the theodolite All listed here ANSWER DOWNLOAD EXAMIANS APP
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