Discussion
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- Question
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.
- Correct Answer
- cos H = tan ? . cot ?
- 1. The coverage is least if photography is
Options- A. high oblique
- B. low oblique
- C. vertical
- D. none of these. Discuss
- 2. 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
- 3. 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
- 4. 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
- 5. 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
- 6. 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
- 7. Rotation of the camera at exposure about horizontal axis normal to the line of flight, is known as
Options- A. swing
- B. tilt
- C. tip
- D. none of these. Discuss
- 8. The declination and right ascension of the sun becomes 23° 27' S and 270° respectively on
Options- A. March 21
- B. June 21
- C. September 21
- D. December 22. Discuss
- 9. At upper culmination, the pole star moves
Options- A. eastward
- B. westward
- C. northward
- D. southward. Discuss
- 10. The slotted template method
Options- A. is prepared, by graphical method
- B. is suitable for large areas with less control
- C. is rapid and accurate
- D. may be done on any scale
- E. all the above. Discuss
Advanced Surveying problems
Search Results
Correct Answer: vertical
Correct Answer: horizon
Correct Answer: at upper culmination
Correct Answer: sin z = sec ? . cos ?
Correct Answer: Ursa Minor's pole star and polaris are the names of the same star.
Correct Answer: tan a cot A
Correct Answer: tip
Correct Answer: December 22.
Correct Answer: westward
Correct Answer: all the above.
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