Surveying If α is the observed altitude, the refraction correction in seconds, is 58" cot α 58 cos α 58 sin α 58" tan α 58" cot α 58 cos α 58 sin α 58" tan 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 (i) and (iv) both (ii) and (iii) only (i) only (iii) both (i) and (iv) both (ii) and (iii) only (i) only (iii) ANSWER DOWNLOAD EXAMIANS APP
Surveying The stereo plotting instruments are generally manufactured on the principle of Mechanical projection All of these Optical mechanism projection Optical projection Mechanical projection All of these Optical mechanism projection Optical projection ANSWER DOWNLOAD EXAMIANS APP
Surveying Contour interval is Larger if the time available is more Inversely proportional to the scale of the map Directly proportional to the flatness of ground Larger for accurate works Larger if the time available is more Inversely proportional to the scale of the map Directly proportional to the flatness of ground Larger for accurate works 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 following points form a pair of homologous points: All listed here Photo isocenter and ground isocenter Photo principal point and ground principal point Photo plumb point and ground plumb point All listed here Photo isocenter and ground isocenter Photo principal point and ground principal point Photo plumb point and ground plumb point ANSWER DOWNLOAD EXAMIANS APP