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- Question
In field astronomy, the quantities observed are entirely
Options- A. lengths
- B. angles
- C. heights
- D. all of these.
- Correct Answer
- angles
- 1. Circumpolar stars
Options- A. rotate round the north pole
- B. rotate round the celestial pole
- C. remain always above the horizon
- D. are seldom seen near the pole star
- E. none of these. Discuss
- 2. Pick up the correct statement from the following :
Options- A. the vertical plane containing the zenith, the station of observation and the celestial pole is the observer's meridian plane.
- B. the angle between the direction of star in vertical plane and the direction of the star in horizontal plane is called the altitude of the star.
- C. the complement of the altitude of star is called the zenith distance of the star.
- D. all the above. Discuss
- 3. Pick up the correct statement from the following :
Options- A. One degree of longitude has greatest value at the equator
- B. One degree of longitude has greatest value at the poles
- C. One degree of longitude has the same value everywhere
- D. One degree of latitude decreases from the equator to the poles
- E. One degree of latitude has greatest value at the poles. Discuss
- 4. The moon rotates round the earth once in every
Options- A. 29 days
- B. 29.35 days
- C. 29.53 days
- D. 30 days. Discuss
- 5. The First Point of Aeries
Options- A. is the point in the celestial sphere where zero meridian crosses the celestial equator
- B. is usually denoted by the Greek letter ?
- C. is located near the very conspicuous rectangle of stars in the constellations of Pegasus and Andromeda.
- D. all the above. Discuss
- 6. The difference of height of two points whose parallax difference is 0.8 mm on a pair of stereo pair taken from a height H is 100 m. If mean photo base is 95.2 mm, the flying height is
Options- A. 8,000 m
- B. 10,000 m
- C. 12,000 m
- D. 14,000 m Discuss
- 7. Pick up the incorrect statement from the following :
Options- A. Latitudes north of the equator are taken as positive
- B. Latitudes south of the equator are taken as negative
- C. Longitudes east of Greenwich are taken as negative
- D. Longitudes west of Greenwich are taken as positive.
- E. Both (c) and (d) of the above. Discuss
- 8. The parallax of a point on the photograph is due to
Options- A. ground elevation
- B. flying height
- C. length of air base
- D. focal length of the camera.
- E. all the above. Discuss
- 9. If f is the focal length of the camera lens and ? is the angle of tilt, the distance of the plumb point from the principal point will be
Options- A. f sin ?
- B. f cos ?
- C. f tan ?
- D. f sec ?. Discuss
- 10. Assuming human normal vision distance 25 cm, smallest measurable angle 20", and introcular distance 6.5 cm, the smallest depth to be discerned is
Options- A. 0.1 mm
- B. 0.5 mm
- C. 1.00 mm
- D. 1.1 mm. Discuss
Advanced Surveying problems
Search Results
Correct Answer: remain always above the horizon
Correct Answer: all the above.
Correct Answer: One degree of longitude has greatest value at the equator
Correct Answer: 29.35 days
Correct Answer: all the above.
Correct Answer: 12,000 m
Correct Answer: Longitudes east of Greenwich are taken as negative
Correct Answer: all the above.
Correct Answer: f tan ?
Correct Answer: 0.1 mm
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