Discussion
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- Question
If ?, H, A and ? be the altitude, hour angle, azimuth and declination of a circumpolar star at its elongation, in latitude ?, the following relation holds good
Options- A.
- B.
- C.
- D. all the above.
- Correct Answer
- all the above.
- 1. The stereo plotting instruments are generally manufactured on the principle of
Options- A. optical projection
- B. optical mechanism projection
- C. mechanical projection
- D. all the above. Discuss
- 2. The angle between the axis of earth and the vertical at the station of observation is called
Options- A. astronomical latitude
- B. astronomical co-latitude
- C. co-declination of star
- D. declination of star. Discuss
- 3. While making astronomical observations, the observer is mainly concerned with
Options- A. the direction of the vertical, the axis of rotation of the instrument
- B. the direction of the poles of the celestial sphere
- C. the direction of the star from the instrument
- D. all the above. Discuss
- 4. The movement of the projector in y-direction, introduces in the model a y-parallax
Options- A. maximum at position 1
- B. maximum at position 2
- C. maximum at position 5 and 6
- D. maximum at positions 3 and 4
- E. equally throughout the model. Discuss
- 5. Accidental errors
Options- A. do not follow any definite mathematical law
- B. cannot be removed by applying corrections to the observed values
- C. are generally small
- D. are also known as compensating errors
- E. all the above. Discuss
- 6. If ? and ? be the latitude of a place and declination of a star respectively, the upper culmination of the star will be north of zenith if its zenith distance, is
Options- A. ? - ?
- B. ? - ?
- C. ? + ?
- D.
.
Discuss
- 7. The shortest distance between two places measured along the surface of the earth, is
Options- A. length of the equator between their longitudes
- B. length of the parallel between their longitudes
- C. length of the arc of the great circle passing through them
- D. none of these. Discuss
- 8. The latitude (?) of a place and the altitude (?) of the pole are related by
Options- A. ? = ?
- B. ? = 90° - ?
- C. ? = ? - 90°
- D. ? = 180° - ?. Discuss
- 9. Pick up the correct statement from the following :
Options- A. Sidereal time at any instant is equal to the hour angle of the first point of Aries
- B. Local sidereal time of any place is equal to the right ascension of its meridian
- C. Sidereal time is equal to the right ascension of a star at its upper transit
- D. All the above. Discuss
- 10. Perspective centre relates to
Options- A. parallel projection
- B. orthogonal projection
- C. central projection
- D. none of these. Discuss
Advanced Surveying problems
Search Results
Correct Answer: all the above.
Correct Answer: astronomical co-latitude
Correct Answer: all the above.
Correct Answer: equally throughout the model.
Correct Answer: all the above.
Correct Answer: ? - ?
Correct Answer: length of the arc of the great circle passing through them
Correct Answer: ? = ?
Correct Answer: All the above.
Correct Answer: central projection
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