Surveying - Study Mode
[#111] Longitudes are measured from 0° to
Correct Answer
(C) 180° east or westward
[#112] If ‘δ’ is the declination of the star and ‘φ’ is the latitude of the observer then the hour angle of the star at elongation is given by
Correct Answer
(B) cos H = tan φ . cot δ
[#113] 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
Correct Answer
(A) sin z = sec φ . cos δ
[#114] The altitude of a circumpolar star is maximum when it is
Correct Answer
(B) At upper culmination
[#115] Rotation of the camera at exposure about its vertical axis, is known as
Correct Answer
(A) Swing