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- Question
The angle of intersection of a contour and a ridge line, is
Options- A. 30°
- B. 45°
- C. 60°
- D. 90°.
- Correct Answer
- 90°.
- 1. 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
- 2. 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 Discuss
- 3. 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
- 4. 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
- 5. 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
- 6. 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
- 7. 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
- 8. The boundary of water of a still lake, represents
Options- A. level surface
- B. horizontal surface
- C. contour line
- D. a concave surface. Discuss
- 9. If the length of a chain line along a slope of ?° is l, the required slope correction is
Options- A. 2l cos2 ?/2
- B. 2l sin2 ?/2
- C. l tan2 ?/2
- D. l cos2 ?/2. Discuss
- 10. Ranging is an operation of
Options- A. reconnaissance
- B. judging the distance
- C. determination of slope
- D. establishing intermediate points between terminals. Discuss
Surveying problems
Search Results
Correct Answer: both levelling and centering are done simultaneously
Correct Answer: 21° 45'
Correct Answer: all the above.
Correct Answer: chain surveying
Correct Answer: secant of its reduced bearing
Correct Answer: all the above.
Correct Answer: all the above.
Correct Answer: contour line
Correct Answer: 2l sin2 ?/2
Correct Answer: establishing intermediate points between terminals.
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