Surveying The net ground area of a vertical photograph 20 cm × 20 cm on scale 1 : 10,000 having overlaps 60% and 30%, is 0.64 sq km 0.50 sq km 0.60 sq km 0.56 sq km 0.64 sq km 0.50 sq km 0.60 sq km 0.56 sq km 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 (i) only (iii) both (i) and (iv) both (ii) and (iii) only (i) only (iii) both (i) and (iv) ANSWER DOWNLOAD EXAMIANS APP
Surveying In an internal focussing type of telescope, the lens provided is plano-convex concave convex plano-concave plano-convex concave convex plano-concave ANSWER DOWNLOAD EXAMIANS APP
Surveying Latitude of a place is the angular distance from Greenwich to the place Equator to the nearer pole Equator to the poles None of these Greenwich to the place Equator to the nearer pole Equator to the poles None of these ANSWER DOWNLOAD EXAMIANS APP
Surveying The displacement of the pictured position of a point of h elevation on a vertical photograph taken with a camera of 30 cm focal length, from an altitude of 3000 m, is 6.5 mm 4.4 mm 7.5 mm 5.5 mm 6.5 mm 4.4 mm 7.5 mm 5.5 mm 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 Principal point Perspective centre Plumb line Isocenter Principal point Perspective centre Plumb line ANSWER DOWNLOAD EXAMIANS APP
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