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Total Questions : 74 | Page 2 of 8 pages
Question 11. Which of the following indicates formula for green witch mean time?
  1.    G.M.T = L.M.T * longitude of the place
  2.    G.M.T = L.M.T ± longitude of the place
  3.    G.M.T = L.M.T + longitude of the place
  4.    G.M.T = L.M.T / longitude of the place
 Discuss Question
Answer: Option B. -> G.M.T = L.M.T ± longitude of the place
Answer: (b).G.M.T = L.M.T ± longitude of the place
Question 12. Which of the following doesn’t belong to the set of corrections applied in astronomical corrections?
  1.    Correction of parallax
  2.    Correction of sag
  3.    Correction of refraction
  4.    Correction of semi-diameter
 Discuss Question
Answer: Option B. -> Correction of sag
Answer: (b).Correction of sag
Question 13. Magnitude of refraction depends upon which of the following factors?
  1.    Density
  2.    Surface tension
  3.    Reflection
  4.    Polarisation
 Discuss Question
Answer: Option A. -> Density
Answer: (a).Density
Question 14. Calculate mean solar time if the hour angle of the sun is 34ʰ 21ᵐ 15ˢ.
  1.    46ʰ 21ᵐ 15ˢ
  2.    64ʰ 21ᵐ 15ˢ
  3.    46ʰ 12ᵐ 15ˢ
  4.    46ʰ 21ᵐ 51ˢ
 Discuss Question
Answer: Option A. -> 46ʰ 21ᵐ 15ˢ
Answer: (a).46ʰ 21ᵐ 15ˢ
Question 15. Position of a celestial body can be determined by __________
  1.    Nadir
  2.    Azimuth
  3.    Zenith
  4.    Co-ordinates
 Discuss Question
Answer: Option D. -> Co-ordinates
Answer: (d).Co-ordinates
Question 16. Which of the following doesn’t represent the co-ordinate system used in determining position of celestial body?
  1.    Spherical co-ordinate system
  2.    Horizon system
  3.    Dependent system
  4.    Independent system
 Discuss Question
Answer: Option A. -> Spherical co-ordinate system
Answer: (a).Spherical co-ordinate system
Question 17. The imaginary sphere on which stars appear to lie is known as __________
  1.    Cylindrical sphere
  2.    spheroid
  3.    Celestial sphere
  4.    Zenithal sphere
 Discuss Question
Answer: Option C. -> Celestial sphere
Answer: (c).Celestial sphere
Question 18. The point above which the satellite or any celestial body lies is known as _____________
  1.    Zenith
  2.    Nadir
  3.    Visible horizon
  4.    Latitude
 Discuss Question
Answer: Option B. -> Nadir
Answer: (b).Nadir
Question 19. The angle between observer meridian and declination circle is given as ____________
  1.    Hour angle
  2.    Azimuth
  3.    Bearing
  4.    Zenith
 Discuss Question
Answer: Option A. -> Hour angle
Answer: (a).Hour angle
Question 20. Correction to the dip is always_____________
  1.    Zero
  2.    Multiplicative
  3.    Subtractive
  4.    Additive
 Discuss Question
Answer: Option C. -> Subtractive
Answer: (c).Subtractive

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