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- Question
In a truly vertical photograph,
Options- A. principal point coincides the isocentre
- B. iso-centre coincides the plumb point
- C. plumb point coincides the principal point
- D. principal point, iso-centre and plumb point coincide
- E. all the above.
- Correct Answer
- all the above.
- 1. Pick up the correct statement from the following :
Options- A. The principal point coincides with plumb point on a true vertical photograph
- B. The top of a hill appears on a truly vertical photograph at greater distance than its bottom from the principal point
- C. The top of a hill is represented on a vertical photograph at larger scale than the area of a nearby valley
- D. The planimetric displacement of the point due to relief on a truly vertical photograph is directly proportional to its distance from the principal point and also its elevation
- E. All the above. Discuss
- 2. A star is said to elongate
Options- A. when the star momentarily moves vertically
- B. when the angle at the star of the spherical triangle is 90°
- C. when the star's declination is greater than the observer's latitude
- D. all the above. Discuss
- 3. The great circle along which the sun appears to trace on the celestial sphere with earth as centre during the year, is called
Options- A. equator
- B. celestial equator
- C. ecliptic
- D. none of these. Discuss
- 4. The altitudes of a circumpolar star at culminations are 70° and 10°, both culminations being north of zenith. The latitude of the place, is
Options- A. 80°
- B. 70°
- C. 60°
- D. 50°
- E. 40°. Discuss
- 5. If ? is the observed altitude, the refraction correction in seconds, is
Options- A. 58" cot ?
- B. 58" tan ?
- C. 58 sin ?
- D. 58 cos ?. Discuss
- 6. The latitude of a place was obtained by subtracting the zenith distance of a star from its declination, the observed star was between
Options- A. horizon and equator
- B. equator and zenith
- C. zenith and pole
- D. pole and horizon. Discuss
- 7. The want of correspondence in stereo-photographs
Options- A. is a good property
- B. is a function of tilt
- C. is not affected by the change of flying height between photographs
- D. is minimum when ? is 3°. Discuss
- 8. According to Napier's Rules of circular parts for a right angled triangle, sine of middle part equals the product of
Options- A. tangents of two adjacent parts
- B. sines of two adjacent parts
- C. cosines of two adjacent parts
- D. cosines of two opposite parts
- E. both (a) and (b) above. Discuss
- 9. Pick up the correct statement from the following :
Options- A. The plane passing through the perspective centre of a stereo pair and a ground point, is known as basal plane
- B. Each pair of image points on stereo pair have their own basal plane
- C. Relative orienation means reconstructing the basal plane
- D. Relative orientation of the model is achieved only when five points within the model are cleared of Y-parallax
- E. All the above. Discuss
- 10. In triangulation surveys
Options- A. the area is divided into triangular figures
- B. control stations are located from which detailed surveys are carried out
- C. sides are not measured excepting the base line
- D. angular measurements are only resorted to
- E. all the above. Discuss
Advanced Surveying problems
Search Results
Correct Answer: All the above.
Correct Answer: all the above.
Correct Answer: ecliptic
Correct Answer: 40°.
Correct Answer: 58" cot ?
Correct Answer: zenith and pole
Correct Answer: is a function of tilt
Correct Answer: both (a) and (b) above.
Correct Answer: All the above.
Correct Answer: all the above.
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