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- Question
Pick up the correct statement for horizontal photographs.
Options- A. Parallel lines do not appear parallel in central projection
- B. The two sides of a road meet at the vanishing point
- C. The lines parallel to the negative plane are projected as parallel lines
- D. All the above.
- Correct Answer
- All the above.
- 1. Homologous points are
Options- A. opposite corners of a photograph
- B. nodal points of the camera lens
- C. corresponding points on the ground and photograph
- D. plumb points of stereo pair of photographs. Discuss
- 2. 23 cm x 23 cm photographs are taken from a flying height with a camera of focal length of 3600 m and 15.23 cm respectively. A parallax difference of 0.01 mm represents
Options- A. 1 m
- B. 2 m
- C. 3 m
- D. 4 m
- E. 5 m. Discuss
- 3. Homologous point is
Options- A. photo principal point
- B. ground principal point
- C. ground isocentre
- D. photo isocentre
- E. all the above. Discuss
- 4. The meridian of a place is
Options- A. a great circle passing through the place and the poles
- B. a great circle whose plane is perpendicular to the axis of rotation and it also passes through the place
- C. a semi-circle which passes through the place and is terminated at the poles
- D. an arc of the great circle which passes through the place and is perpendicular to the equator. Discuss
- 5. Sidereal day
Options- A. is the period of time taken by the earth in making a complete rotation with reference to stars
- B. is slightly shorter than an ordinary solar day
- C. is divided into the conventional hours, minutes and seconds
- D. all the above. Discuss
- 6. The plane at right angle to the zenith-nadir line and passing through the centre of the earth, is called
Options- A. rational horizon
- B. true horizon
- C. celestial horizon
- D. all the above. Discuss
- 7. The distance between the minor control point and the principal point should be equal to
Options- A. base line of the left photograph of stereo pair
- B. base line of the right photograph of stereo pair
- C. sum of the base lines of stereo pair
- D. mean of the base lines of the stereo pair. Discuss
- 8. Limiting gradient for locating the base line on evenly-sloping ground, is
Options- A. 1 in 12
- B. 1 in 10
- C. 1 in 8
- D. 1 in 6. Discuss
- 9. Pick up the correct statement from the following :
Options- A. North end of the polar axis is known as north pole
- B. South end of the polar axis is known as south pole
- C. Point where polar axis when produced northward intersects the celestial sphere, is known as north celestial pole
- D. Point where polar axis when produced southward intersects the celestial sphere, is known as south celestial pole
- E. all the above. Discuss
- 10. 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
Advanced Surveying problems
Search Results
Correct Answer: corresponding points on the ground and photograph
Correct Answer: 1 m
Correct Answer: all the above.
Correct Answer: a semi-circle which passes through the place and is terminated at the poles
Correct Answer: all the above.
Correct Answer: all the above.
Correct Answer: mean of the base lines of the stereo pair.
Correct Answer: 1 in 12
Correct Answer: all the above.
Correct Answer: cos ?
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