Surveying Perspective centre relates to Parallel projection Orthogonal projection None of these Central projection Parallel projection Orthogonal projection None of these Central projection ANSWER DOWNLOAD EXAMIANS APP
Surveying To obtain photographs of an area of 1000 m average elevation, on scale 1 : 30,000, with a camera of 30 cm focal length, the flying height is 4000 m 5000 m 7000 m 6000 m 4000 m 5000 m 7000 m 6000 m 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 Plumb line Perspective centre Principal point Isocenter Plumb line Perspective centre Principal point ANSWER DOWNLOAD EXAMIANS APP
Surveying Local attraction in compass surveying may exist due to presence of magnetic substances near the instrument incorrect levelling of the magnetic needle friction of the needle at the pivot loss of magnetism of the needle presence of magnetic substances near the instrument incorrect levelling of the magnetic needle friction of the needle at the pivot loss of magnetism of the needle ANSWER DOWNLOAD EXAMIANS APP
Surveying Which of the following angles can be set out with the help of French cross staff? either 45° or 90° 45° only 90° only any angle either 45° or 90° 45° only 90° only any angle ANSWER DOWNLOAD EXAMIANS APP
Surveying Limiting gradient for locating the base line on evenly-sloping ground, is 1 in 6 1 in 10 1 in 12 1 in 8 1 in 6 1 in 10 1 in 12 1 in 8 ANSWER DOWNLOAD EXAMIANS APP
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