Surveying The height displacement on a vertical photograph All listed here Decreases as the flying height increases Increases as the horizontal distance increases from the principal point Increases as the ground elevation increases All listed here Decreases as the flying height increases Increases as the horizontal distance increases from the principal point Increases as the ground elevation increases ANSWER DOWNLOAD EXAMIANS APP
Surveying If E is the spherical excess and R the radius of the earth, the surface area of the triangle, is πR²E/360° πR²E/270° πR²E/180° πR²E/90° πR²E/360° πR²E/270° πR²E/180° πR²E/90° ANSWER DOWNLOAD EXAMIANS APP
Surveying If v, t and f/H are the ground speed of the aircraft, the shutter speed of the camera and the scale of the photograph respectively, then the amount of image displacement i = t. H/v. f i = v. t. (f/H) i = v. f/t. H i = v. t. H/f i = t. H/v. f i = v. t. (f/H) i = v. f/t. H i = v. t. H/f ANSWER DOWNLOAD EXAMIANS APP
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 0.60 sq km 0.50 sq km 0.56 sq km 0.64 sq km 0.60 sq km 0.50 sq km 0.56 sq km ANSWER DOWNLOAD EXAMIANS APP
Surveying If ‘δ’ is the declination of the star and ‘φ’ is the latitude of the observer, then the azimuth of the star at elongation is given by cos z = sec φ . cos δ sin z = sec φ . cos δ tan z = sec φ . cos δ None of these cos z = sec φ . cos δ sin z = sec φ . cos δ tan z = sec φ . cos δ None of these 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 Perspective centre Principal point Plumb line Isocenter Perspective centre Principal point Plumb line Isocenter ANSWER DOWNLOAD EXAMIANS APP
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