Surveying problems
- 1. The apparent error on reversal is
Options- A. equal to the actual error
- B. twice the actual error
- C. thrice the actual error
- D. none of these. Discuss
Correct Answer: twice the actual error
- 2. The ratio of the linear displacement at the end of a line, subtended by an arc of one second to the length of the line, is
Options- A. 1:206 300
- B. 1:3440
- C. 1:57
- D. 1:100. Discuss
Correct Answer: 1:206 300
- 3. If the radius of a simple curve is 600 m, the maximum length of the chord for calculating offsets, is taken
Options- A. 10 m
- B. 15 m
- C. 20 m
- D. 25 m
- E. 30 m. Discuss
Correct Answer: 30 m.
- 4. Ranging in chain survey means
Options- A. looking at an isolated point not on the line
- B. establishing an intermediate point on the line
- C. determining the distance between end points
- D. determining the offset distance
- E. none of these Discuss
Correct Answer: establishing an intermediate point on the line
- 5. In levelling operation,
Options- A. The first sight on any change point is a back sight
- B. The second sight on any change point is a fore sight
- C. The line commences with a fore sight and closes with a back sight
- D. The line commences with a back sight and closes with a foresight. Discuss
Correct Answer: The line commences with a back sight and closes with a foresight.
- 6. While measuring with a metallic tape of 30 m length pull should be applied
Options- A. 1 kg
- B. 2 kg
- C. 3 kg
- D. 4 kg Discuss
Correct Answer: 3 kg
- 7. To set out a parallel from a given inccessible point to a given line AB, the following observations and made
Distance AB and angle PAM = a and angle PBA = b are measured where Mis a point on the line BA produced. The perpendicular to the desired parallel line from A and B are :
Options- A.
- B.
- C.
- D.
Discuss
Correct Answer:
- 8. The bearing of AB is 190° and that of CB is 260° 30'. The included angle ABC, is
Options- A. 80° 30'
- B. 99° 30'
- C. 70° 30'
- D. none of these Discuss
Correct Answer: 70° 30'
- 9. The ratio of the radius and apex distance of a curve deflecting through ?°, is
Options- A.
- B.
- C.
- D.
Discuss
Correct Answer:
- 10. Surveys which are carried out to depict mountains, rivers, water bodies, wooded areas and other cultural details, are known as
Options- A. cadastral surveys
- B. city surveys
- C. topographical surveys
- D. guide map surveys
- E. plane surveys. Discuss
Correct Answer: topographical surveys
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