Discussion
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- Question
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.
- Correct Answer
- hour angle
- 1. 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
- 2. 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
- 3. The solar tidal force divided by lunar tidal force is
Options- A.
- B.
- C.
- D.
.
Discuss
- 4. In a spherical triangle ABC right angled at C, sin b equals to
Options- A. sin c sin B
- B. cos c cos B
- C. tan c tan B
- D. sin c cos B
- E. cos c sin B. Discuss
- 5. The altitudes of a circumpolar star at culminations are 70° and 10°, both culminations being north of zenith. The declination of the star, is
Options- A. 80°
- B. 70°
- C. 60°
- D. 50°
- E. 40°. Discuss
- 6. 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
- 7. 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
- 8. 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
- 9. 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
- 10. The coverage is least if photography is
Options- A. high oblique
- B. low oblique
- C. vertical
- D. none of these. Discuss
Advanced Surveying problems
Search Results
Correct Answer: first point of Aries
Correct Answer: all the above.
Correct Answer:
Correct Answer: sin c sin B
Correct Answer: 60°
Correct Answer: Ursa Minor's pole star and polaris are the names of the same star.
Correct Answer: sin z = sec ? . cos ?
Correct Answer: at upper culmination
Correct Answer: horizon
Correct Answer: vertical
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