Discussion
Home ‣ Civil Engineering ‣ Advanced Surveying Comments
- Question
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.
- Correct Answer
- all the above.
- 1. 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
- 2. 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
- 3. In field astronomy, the quantities observed are entirely
Options- A. lengths
- B. angles
- C. heights
- D. all of these. Discuss
- 4. 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
- 5. 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
- 6. 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
- 7. 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
- 8. If the equatorial distance between two meridians is 100 km, their distance at 60° latitude will be
Options- A. 1000 km
- B. 800 km
- C. 600 km
- D. 500 km
- E. 400 km. Discuss
- 9. The average eye base is assumed as
Options- A. 58 mm
- B. 60 mm
- C. 62 mm
- D. 64 mm
- E. 72 mm. Discuss
- 10. The latitude of the observer's position, is
Options- A. elevation of the elevated pole
- B. declination of the observer's zenith
- C. angular distance along the observer's meridian between equator and the observer
- D. north or south according as the observer is north of equator or south of equator
- E. all the above. Discuss
Advanced Surveying problems
Search Results
Correct Answer: Longitudes east of Greenwich are taken as negative
Correct Answer: 12,000 m
Correct Answer: angles
Correct Answer: remain always above the horizon
Correct Answer: all the above.
Correct Answer: f tan ?
Correct Answer: 0.1 mm
Correct Answer: 500 km
Correct Answer: 64 mm
Correct Answer: all the above.
Comments
There are no comments.More in Civil Engineering:
Programming
Copyright ©CuriousTab. All rights reserved.