Advanced Surveying problems
- 1. Pick up the correct statement from the following :
Options- A. the horizontal direction of the pole is called astronomical north.
- B. the angle between the direction of true north and the direction of a survey line is called astronomical bearing
- C. the astronomical bearing is generally called azimuth
- D. all the above. Discuss
Correct Answer: all the above.
- 2. The sidereal day is the time interval between two successive upper transits of
Options- A. mean sun
- B. first point of Aries
- C. first point of Libra
- D. the polar star
- E. moon. Discuss
Correct Answer: first point of Aries
- 3. The angle between the observer's meridian and declination circle of a heavenly body, is known as
Options- A. hour angle
- B. azimuth
- C. right ascension
- D. declination. Discuss
Correct Answer: hour angle
- 4. Pick up the correct statement from the following :
Options- A. Ursa Minor's remains always north of pole star
- B. Polar star remains always north of Polaris
- C. Polaris remains always north of Ursa Minor's
- D. Ursa Minor's pole star and polaris are the names of the same star. Discuss
Correct Answer: Ursa Minor's pole star and polaris are the names of the same star.
- 5. If ? is the declination of the star and ? is the latitude of the observer, then the azimuth of the star at elongation is given by
Options- A. sin z = sec ? . cos ?
- B. cos z = sec ? . cos ?
- C. tan z = sec ? . cos ?
- D. none of these. Discuss
Correct Answer: sin z = sec ? . cos ?
- 6. The altitude of a circumpolar star is maximum when it is
Options- A. at east elongation
- B. at upper culmination
- C. at west elongation
- D. at lower culmination. Discuss
Correct Answer: at upper culmination
- 7. The altitude of a heavenly body is its angular distance, measured on the vertical circle passing through the body, above
Options- A. equator
- B. horizon
- C. pole
- D. none of these. Discuss
Correct Answer: horizon
- 8. The coverage is least if photography is
Options- A. high oblique
- B. low oblique
- C. vertical
- D. none of these. Discuss
Correct Answer: vertical
- 9. If ? is the declination of the star and ? is the latitude of the observer then the hour angle of the star at elongation is given by
Options- A. sin H = tan ? . cot ?
- B. cos H = tan ? . cot ?
- C. tan H = tan ? . cot ?
- D. none of these. Discuss
Correct Answer: cos H = tan ? . cot ?
- 10. In a spherical triangle ABC, right angled at C, sin b equals
Options- A. sin a cos A
- B. cos a sin A
- C. tan a cot A
- D. cot A tan a
- E. none of these. Discuss
Correct Answer: tan a cot A
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