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- Question
The magnetic bearing of a line is 32° and the magnetic declination is 10° 15' W. The true bearing is
Options- A. 21° 45'
- B. 42° 15'
- C. 42° 15' W
- D. 21° 45' W
- Correct Answer
- 21° 45'
- 1. In a theodolite
Options- A. the telescope axis is perpendicular to transit axis
- B. the axis of rotation is perpendicular to transit axis
- C. the telescope axis, the transit axis and the rotation axis pass through the centre of theodolite
- D. all the above. Discuss
- 2. The distances AC and BC are measured from two fixed points A and B whose distance AB is known. The point C is plotted by intersection. This method is generally adopted in
Options- A. chain surveying
- B. traverse method of surveys
- C. triangulation
- D. none of these. Discuss
- 3. The length of a traverse leg may be obtained by multiplying the latitude and
Options- A. secant of its reduced bearing
- B. sine of its reduced bearing
- C. cosine of its reduced bearing
- D. tangent of its reduced bearing. Discuss
- 4. The sag of 50 m tape weighing 4 kg under 5 kg tension is roughly
Options- A. 0.043 m
- B. 0.053 m
- C. 0.063 m
- D. 0.073 m
- E. 0.083 m Discuss
- 5.
is the conventional sign of
Options- A. temple
- B. mosque
- C. idgah
- D. church
- E. fort. Discuss
- 6. In setting up a plane table at any station
Options- A. levelling is done first
- B. centering is done first
- C. both levelling and centering are done simultaneously
- D. orientation is done first. Discuss
- 7. The angle of intersection of a contour and a ridge line, is
Options- A. 30°
- B. 45°
- C. 60°
- D. 90°. Discuss
- 8. Pick up the correct statement from the following :
Options- A. it is difficult to eliminate an error completely at first trial
- B. instability of the instrument makes it almost impossible to adjust it satisfactorily
- C. adjustment screws must be left bearing firmly but should never be forced
- D. all the above. Discuss
- 9. Pick up the correct statement from the following :
Options- A. mistakes arise from inattention, inexperience or carelessness
- B. systematic errors persist and have regular effects in the survey performances
- C. accidental errors occur inspite of every precaution is taken
- D. all the above. Discuss
- 10. The boundary of water of a still lake, represents
Options- A. level surface
- B. horizontal surface
- C. contour line
- D. a concave surface. Discuss
Surveying problems
Search Results
Correct Answer: all the above.
Correct Answer: chain surveying
Correct Answer: secant of its reduced bearing
Correct Answer: 0.083 m
Correct Answer: temple
Correct Answer: both levelling and centering are done simultaneously
Correct Answer: 90°.
Correct Answer: all the above.
Correct Answer: all the above.
Correct Answer: contour line
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