Advanced Surveying problems
- 1. 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. Discuss
Correct Answer: all the above.
- 2. 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
Correct Answer: zenith and pole
- 3. 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
Correct Answer: is a function of tilt
- 4. 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
Correct Answer: both (a) and (b) above.
- 5. 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
Correct Answer: All the above.
- 6. 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
Correct Answer: all the above.
- 7. Pick up the correct statement from the following :
Options- A. The star's movement is apparent due to the actual steady rotation of the earth about its axis
- B. The stars move round in circular concentrated parts
- C. The centre of the circular paths of stars is the celestial pole
- D. The axis of rotation is a fixed direction of a particular diameter of the celestial sphere either end of which is a pole
- E. All the above. Discuss
Correct Answer: All the above.
- 8. The Polaris describes a small circle round the pole whose radius is approximately
Options- A. 1°
- B. 2°
- C. 3°
- D. 4°. Discuss
Correct Answer: 1°
- 9. A plate parallel is the line on the plane of the negative
Options- A. parallel to the principal line
- B. perpendicular to the principal line
- C. along the bisector of the angle between the principal line and a perpendicular line through principal plane
- D. none of these. Discuss
Correct Answer: perpendicular to the principal line
- 10. The great circle whose plane is perpendicular to the axis of rotation of the earth, is called
Options- A. equator
- B. terrestrial equator
- C. 0° latitude
- D. all the above. Discuss
Correct Answer: all the above.
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