Surveying - Study Mode
[#106] The value of geocentric parallax to be added to the observed altitude of sun is
Correct Answer
(A) 9" cos α
[#107] While making astronomical observations, the observer is mainly concerned with
Correct Answer
(D) All the above
[#108] If v, t and $$frac{{ ext{f}}}{{ ext{H}}}$$ 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
Correct Answer
(C) $${ ext{i}} = { ext{v}} imes { ext{t}} imes frac{{ ext{f}}}{{ ext{H}}}$$
[#109] An aerial photograph may be assumed as
Correct Answer
(C) Central projection
[#110] G.M.T. corresponding to given mean time, equals
Correct Answer
(A) L.M.T. - East longitude in time