Surveying 23 cm × 23 cm photographs are taken from a flying height with a camera of focal length of 3600 m and 15.23 cm respectively. A parallax difference of 0.01 mm represents 1 m 2 m 3 m 4 m 1 m 2 m 3 m 4 m ANSWER DOWNLOAD EXAMIANS APP
Surveying The coverage is least if photography is High oblique Low oblique Vertical None of these High oblique Low oblique Vertical None of these ANSWER DOWNLOAD EXAMIANS APP
Surveying If ‘f’ is the focal length of the camera lens and ‘θ’ is the angle of tilt, the distance of the plumb point from the principal point will be f cos θ f sin θ f tan θ f sec θ f cos θ f sin θ f tan θ f sec θ ANSWER DOWNLOAD EXAMIANS APP
Surveying The elevation of the star at elongation is obtained by sin α = cos φ sec δ sin α = sin φ cosec δ sin α = sin φ sec δ sin α = cos φ cosec δ sin α = cos φ sec δ sin α = sin φ cosec δ sin α = sin φ sec δ sin α = cos φ cosec δ 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 = v. t. (f/H) i = t. H/v. f i = v. t. H/f i = v. f/t. H i = v. t. (f/H) i = t. H/v. f i = v. t. H/f i = v. f/t. H ANSWER DOWNLOAD EXAMIANS APP
Surveying Overturning of vehicles on a curve can be avoided by using transition curve vertical curve reverse curve compound curve transition curve vertical curve reverse curve compound curve ANSWER DOWNLOAD EXAMIANS APP
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