Surveying The scale of a tilted photograph of focal length f, taken from an altitude H, along the plate parallel through plumb point, is f sec θ/H f/H f/H sec θ f/H cos ½θ f sec θ/H f/H f/H sec θ f/H cos ½θ 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 Principal point Isocenter Perspective centre Plumb line Principal point Isocenter Perspective centre Plumb line ANSWER DOWNLOAD EXAMIANS APP
Surveying At eastern elongation, the pole star moves Eastward Southward Westward Northward Eastward Southward Westward Northward ANSWER DOWNLOAD EXAMIANS APP
Surveying A Nautical mile is All of these One minute arc of the longitude 1855.109 m One minute arc of the great circle passing through two points All of these One minute arc of the longitude 1855.109 m One minute arc of the great circle passing through two points 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 None of these tan z = sec φ . cos δ cos z = sec φ . cos δ sin z = sec φ . cos δ None of these tan z = sec φ . cos δ ANSWER DOWNLOAD EXAMIANS APP
Surveying The nautical mile is the length of 1 minute of longitude 1 minute of latitude 1 degree of latitude 1 degree of longitude 1 minute of longitude 1 minute of latitude 1 degree of latitude 1 degree of longitude ANSWER DOWNLOAD EXAMIANS APP