Surveying Invar tapes used for measuring base lines, is made of nickel-iron alloy containing nickel 0.6 0.24 0.36 0.4 0.6 0.24 0.36 0.4 ANSWER DOWNLOAD EXAMIANS APP
Surveying The product of the distances of plumb point and horizon point of a vertical photograph from its principal point, is 2f2 3f2 f2 ½f 2f2 3f2 f2 ½f ANSWER DOWNLOAD EXAMIANS APP
Surveying The relief displacement of a building 72 m high on photograph is 7.2 mm and its top appears 10 cm away from principal point. The flying height of the camera, is 500 m 1000 m 2000 m 1500 m 500 m 1000 m 2000 m 1500 m 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 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 cos z = sec φ . cos δ sin z = sec φ . cos δ ANSWER DOWNLOAD EXAMIANS APP
Surveying The rate of change of parallax dp/dh with respect to change in h, may be expressed as fB/(H - h) fB/(H - h)² fB/(H + h) fB/(H + h)² fB/(H - h) fB/(H - h)² fB/(H + h) fB/(H + h)² ANSWER DOWNLOAD EXAMIANS APP
Surveying The point on the photograph where bisector between the vertical line through optical centre of the camera lens and the plate perpendicular meets, is known as Plumb point Isocenter Perspective centre Principal point Plumb point Isocenter Perspective centre Principal point ANSWER DOWNLOAD EXAMIANS APP