Discussion
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- Question
If ? is the observed altitude, the refraction correction in seconds, is
Options- A. 58" cot ?
- B. 58" tan ?
- C. 58 sin ?
- D. 58 cos ?.
- Correct Answer
- 58" cot ?
- 1. Right ascension of a heavenly body is its equatorial angular distance measured
Options- A. westward from the first point of Libra
- B. eastward from the first point of Aeries
- C. westward from the first point of Aeries
- D. eastward from the first point of Libra. Discuss
- 2. Polaris is usually observed for the determination of the latitude when it is
Options- A. at culmination
- B. at elongation
- C. neither at culmination nor at elongation
- D. either at culmination or at elongation. Discuss
- 3. The normal longitudinal overlap is generally kept
Options- A. 50%
- B. 60%
- C. 70%
- D. 75%. Discuss
- 4. With standard meridian as 82° 30' E the standard time at longitude 90° E is 8 h 30 m. The local mean time at the place will be
Options- A. 7 h 00 m
- B. 7 h 30 m
- C. 8 h 00 m
- D. 8 h 30 m
- E. 9 h 00 m. Discuss
- 5. The true and mean suns occupy the same meridian at the same time on
Options- A. April 15
- B. June 14
- C. September 1
- D. December 25
- E. all the above. Discuss
- 6. The altitudes of a circumpolar star at culminations are 70° and 10°, both culminations being north of zenith. The latitude of the place, is
Options- A. 80°
- B. 70°
- C. 60°
- D. 50°
- E. 40°. Discuss
- 7. The great circle along which the sun appears to trace on the celestial sphere with earth as centre during the year, is called
Options- A. equator
- B. celestial equator
- C. ecliptic
- D. none of these. Discuss
- 8. A star is said to elongate
Options- A. when the star momentarily moves vertically
- B. when the angle at the star of the spherical triangle is 90°
- C. when the star's declination is greater than the observer's latitude
- D. all the above. Discuss
- 9. Pick up the correct statement from the following :
Options- A. The principal point coincides with plumb point on a true vertical photograph
- B. The top of a hill appears on a truly vertical photograph at greater distance than its bottom from the principal point
- C. The top of a hill is represented on a vertical photograph at larger scale than the area of a nearby valley
- D. The planimetric displacement of the point due to relief on a truly vertical photograph is directly proportional to its distance from the principal point and also its elevation
- E. All the above. Discuss
- 10. In a truly vertical photograph,
Options- A. principal point coincides the isocentre
- B. iso-centre coincides the plumb point
- C. plumb point coincides the principal point
- D. principal point, iso-centre and plumb point coincide
- E. all the above. Discuss
Advanced Surveying problems
Search Results
Correct Answer: eastward from the first point of Aeries
Correct Answer: at culmination
Correct Answer: 60%
Correct Answer: 9 h 00 m.
Correct Answer: all the above.
Correct Answer: 40°.
Correct Answer: ecliptic
Correct Answer: all the above.
Correct Answer: All the above.
Correct Answer: all the above.
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