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- Question
The moon rotates round the earth once in every
Options- A. 29 days
- B. 29.35 days
- C. 29.53 days
- D. 30 days.
- Correct Answer
- 29.35 days
- 1. 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
- 2. The displacement of the pictured position of a point of h elevation on a vertical photograph taken with a camera of 30 cm focal length, from an altitude of 3000 m, is
Options- A. 4.4 mm
- B. 5.5 mm
- C. 6.5 mm
- D. 7.5 mm
- E. 10 mm Discuss
- 3. For adjusting a quadrilateral whose both the diagonals are observed, the equations of conditions involved, are
Options- A. two angle equations and two side equations
- B. one angle equation and three side equations
- C. three angle equations and one side equation
- D. none of these. Discuss
- 4. The principal plane contains
Options- A. nadir point
- B. iso centre
- C. principal point
- D. principal axis and principal line
- E. all the above.. Discuss
- 5. Pick up the correct statement from the following :
Options- A. Aerial photographs may be either vertical or oblique
- B. Vertical photographs are taken with the axis of camera pointing vertically downward
- C. Vertical photographs are used for most accurate maps
- D. On oblique photographs, scale variation is larger as compared to that of vertical photographs
- E. all the above. Discuss
- 6. 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
- 7. 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
- 8. 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
- 9. In field astronomy, the quantities observed are entirely
Options- A. lengths
- B. angles
- C. heights
- D. all of these. Discuss
- 10. 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
Advanced Surveying problems
Search Results
Correct Answer: all the above.
Correct Answer: 7.5 mm
Correct Answer: three angle equations and one side equation
Correct Answer: all the above..
Correct Answer: all the above.
Correct Answer: One degree of longitude has greatest value at the equator
Correct Answer: all the above.
Correct Answer: remain always above the horizon
Correct Answer: angles
Correct Answer: 12,000 m
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