Surveying - Study Mode
[#176] The allowable length of an offset depends upon the
Correct Answer
(D) all of the above
[#177] The great circle whose plane is perpendicular to the axis of rotation of the earth, is called
Correct Answer
(D) All the above
[#178] The plane at right angle to the zenith-nadir line and passing through the centre of the earth, is called
Correct Answer
(D) All the above
[#179] 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
Correct Answer
(C) 6000 m
[#180] The difference of height of two points whose parallax difference is 0.8 mm on a pair of stereo pair taken from a height ‘H’ is 100 m. If mean photo base is 95.2 mm, the flying height is
Correct Answer
(C) 12,000 m