Surveying If the image of a triangulation station of R.L. 500 m is 4 cm from the principal point of a vertical photo taken from an altitude of 2000 m, above datum, the height displacement will be 2 mm 10 mm 4 mm 6 mm 2 mm 10 mm 4 mm 6 mm ANSWER DOWNLOAD EXAMIANS APP
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 The station which is selected close to the main triangulation station, to avoid intervening obstruction, is not known as Pivot station Eccentric station Satellite station False station Pivot station Eccentric station Satellite station False station ANSWER DOWNLOAD EXAMIANS APP
Surveying Which of the following is not used in measuring perpendicular offsets ? optical square line ranger steel tape cross staff optical square line ranger steel tape cross staff ANSWER DOWNLOAD EXAMIANS APP
Surveying For accurate work, the steel band should always be used in preference to chain because the steel band is lighter than chain is practically inextensible and is not liable to kinks when in use is easier to handle can be easily repaired in the field is lighter than chain is practically inextensible and is not liable to kinks when in use is easier to handle can be easily repaired in the field ANSWER DOWNLOAD EXAMIANS APP
Surveying The foot of the perpendicular on the picture plane through the optical centre of the camera lens, is known as Isocenter Perspective centre Plumb line Principal point Isocenter Perspective centre Plumb line Principal point ANSWER DOWNLOAD EXAMIANS APP
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