Discussion
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- Question
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°.
- Correct Answer
- 60°
- 1. The nautical mile is the length of
Options- A. 1 minute of latitude
- B. 1 minute of longitude
- C. 1 degree of latitude
- D. 1 degree of longitude. Discuss
- 2. The great circle which passes through the zenith, nadir and the poles, is known as
Options- A. meridian
- B. vertical circle
- C. prime vertical
- D. none of these. Discuss
- 3. The value of geo-centric parallax to be added to the observed altitude of sun is
Options- A. 9" cos ?
- B. 9" sin ?
- C. 9" tan ?
- D. 9" cot ?. Discuss
- 4. Pick up the incorrect statement from the following. In a spherical triangle
Options- A. every angle is less than two right angles
- B. sum of the three angles is equal to two right angles
- C. sum of the three angles less than six right angles and greater than two right angles
- D. if the sum of any two sides is ?, the sum of the angles opposite them is also ?
- E. sum of any two sides is greater than the third. Discuss
- 5. The length of a parallel of ? latitude between two meridians is equal to difference in logitudes multiplied by
Options- A. sin ?
- B. cos ?
- C. tan ?
- D. cot ?. Discuss
- 6. 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
- 7. The solar tidal force divided by lunar tidal force is
Options- A.
- B.
- C.
- D.
.
Discuss
- 8. 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
- 9. 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
- 10. 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
Advanced Surveying problems
Search Results
Correct Answer: 1 minute of longitude
Correct Answer: meridian
Correct Answer: 9" cos ?
Correct Answer: sum of the three angles is equal to two right angles
Correct Answer: cos ?
Correct Answer: sin c sin B
Correct Answer:
Correct Answer: all the above.
Correct Answer: first point of Aries
Correct Answer: hour angle
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