Surveying problems
- 1. The line normal to the plumb line is known as
Options- A. horizontal line
- B. level line
- C. datum line
- D. vertical line. Discuss
Correct Answer: level line
- 2. Planimeter is used for measuring
Options- A. volume
- B. area
- C. contour gradient
- D. slope angle
- E. none of these Discuss
Correct Answer: area
- 3. Resolving power of a telescope depends on
Options- A. the diameter of the aperture
- B. the pupil aperture of the eye
- C. the diameter of the object glass
- D. all the above. Discuss
Correct Answer: all the above.
- 4. The included angles of a theodolite traverse, are generally measured
Options- A. clockwise from the forward station
- B. anti-clockwise from the back station
- C. anti-clockwise from the forward station
- D. clockwise from the back station. Discuss
Correct Answer: clockwise from the back station.
- 5. If deflection angles are measured in a closed traverse, the difference between the sum of the right-hand and that of the left hand angles should be equal to
Options- A. 0°
- B. 90°
- C. 180°
- D. 360° Discuss
Correct Answer: 360°
- 6. In a perfect prismatic compass
Options- A. magnetic axis and geometric axis of the needle coincide
- B. ends of the needle and pivot are in same vertical and horizontal planes
- C. pivot is vertically over the centre of the graduated circle
- D. needle is always kept sensitive
- E. all the above. Discuss
Correct Answer: all the above.
- 7. Under ordinary conditions, the precision of a theodolite traverse is affected by
Options- A. systematic angular errors
- B. accidental linear errors
- C. systematic linear errors
- D. accidental angular errors. Discuss
Correct Answer: systematic linear errors
- 8. If the whole circle bearing of a line is 270°, its reduced bearing is
Options- A. N 90° W
- B. S 90° W
- C. W 90°
- D. 90° W. Discuss
Correct Answer: W 90°
- 9. Locating the position of a plane table station with reference to three known points, is known as
Options- A. intersection method
- B. radiation method
- C. resection method
- D. three point problem. Discuss
Correct Answer: three point problem.
- 10. The defect of a lens whereby rays of white light proceeding from a point get dispersed into their components and conveyed to various foci, forming a blurred and coloured image is known as
Options- A. chromatic aberration
- B. spherical aberration
- C. astigmatism
- D. coma. Discuss
Correct Answer: chromatic aberration
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