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- Question
A level when set up 25 m from peg A and 50 m from peg B reads 2.847 on a staff held on A and 3.462 on a staff held on B, keeping bubble at its centre while reading. If the reduced levels of A and B are 283.665 m and 284.295 m respectively, the collimation error per 100 m is
Options- A. 0.015 m
- B. 0.030 m
- C. 0.045 m
- D. 0.060 m
- Correct Answer
- 0.060 m
- 1. Ruling gradient on hill roads 300 m above M.S.L. is kept
Options- A. 4%
- B. 5%
- C. 6%
- D. 7%
- E. 8% Discuss
- 2. Turpentine oil is used in paints as
Options- A. thinner
- B. vehicle
- C. base
- D. drier. Discuss
- 3. Roadway width for a National highways and State highways (two-lanes) is
Options- A. 12 m
- B. 9 m
- C. 9.5 m
- D. 15 m Discuss
- 4. 30 m long rails are used in
Options- A. India
- B. Pakistan
- C. Russia
- D. U.S.A.
- E. U.K. Discuss
- 5. A river training work is generally required when the river is
Options- A. meandering
- B. aggrading
- C. degrading
- D. all the above. Discuss
- 6. Wrought iron contains carbon about
Options- A. 1.5% to 5.5%
- B. 0.5% to 1.75%
- C. 0.1% to 0.25%
- D. none to these. Discuss
- 7. A major beam in a building structure, is known as
Options- A. a girder
- B. a floor beam
- C. a main beam
- D. all the above. Discuss
- 8. For night landing, the thresholds are lighted
Options- A. green
- B. red
- C. white
- D. yellow Discuss
- 9. On B.G. tracks the distance of outer signal from station limit is kept
Options- A. 510 m
- B. 520 m
- C. 530 m
- D. 540 m
- E. 550 m Discuss
- 10. The notch angle for maximum discharge over a triangular notch, is
Options- A. 30°
- B. 60°
- C. 90°
- D. 120° Discuss
More questions
Correct Answer: 5%
Correct Answer: thinner
Correct Answer: 12 m
Correct Answer: U.S.A.
Correct Answer: meandering
Correct Answer: 0.1% to 0.25%
Correct Answer: all the above.
Correct Answer: green
Correct Answer: 540 m
Correct Answer: 90°
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