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- Question
A sewer is laid from a manhole A to a manhole B, 250 m away along a gradient of 1 in 125. If the reduced level of the invert at A is 205.75 m and the height of the boning rod is 3 m, the reduced level of the sight rail at B, is
Options- A. 208.75 m
- B. 202.75 m
- C. 206.75 m
- D. 211.75 m
- Correct Answer
- 206.75 m
- 1. The rate of evaporation from reservoirs may be determined by
Options- A. pan-measurement method
- B. empirical formulae
- C. storage equation method
- D. energy budget method
- E. all the above. Discuss
- 2. Parallax bar measures
Options- A. parallax
- B. height
- C. parallax difference
- D. height difference. Discuss
- 3. The back staff reading on a B.M. of R.L. 500.000 m is 2.685 m. If foresight reading on a point is 1.345 m, the reduced level of the point, is
Options- A. 502.685 m
- B. 501.345 m
- C. 501.340 m
- D. 504.030 m
- E. 502.585 m. Discuss
- 4. The S.I. unit of Modulus of elasticity is
Options- A. Newton/m2
- B. Newton/cm2
- C. Newton/mm2
- D. all the above. Discuss
- 5. Keeping the instrument height as 1.5 m, length of staff 4 m, the slope of the ground as 1 in 10, the sight on the down-slope, must be less than
Options- A. 30 m
- B. 25 m
- C. 20 m
- D. 15 m Discuss
- 6. A turn-in-curve is defined as
Options- A. a curve introduced between two straights
- B. a reverse curve
- C. a reverse curve introduced in continuity of a turn out
- D. a spiral transition curve. Discuss
- 7. Degree of saturation of a natural soil deposit having water content 15%, specific gravity 2.50 and void ratio 0.5, is
Options- A. 50%
- B. 60%
- C. 75%
- D. 80% Discuss
- 8. A prime coat is given to steel work with
Options- A. an oxide of iron paint
- B. a mixture of white lead and lead paint
- C. a special paint
- D. cement paint. Discuss
- 9. The rate of accumulation of sludge in septic tanks is recommended as
Options- A. 30 litres/person/year
- B. 25 litres/person/year
- C. 30 litres/person/month
- D. 25 litres/person/month. Discuss
- 10. The best direction of a runway is along the direction of
Options- A. longest line on wind rose diagram
- B. shortest line on the wind rose diagram
- C. line clear of wind rose diagram
- D. none of these. Discuss
More questions
Correct Answer: all the above.
Correct Answer: parallax difference
Correct Answer: 501.340 m
Correct Answer: all the above.
Correct Answer: 25 m
Correct Answer: a reverse curve introduced in continuity of a turn out
Correct Answer: 75%
Correct Answer: a mixture of white lead and lead paint
Correct Answer: 30 litres/person/year
Correct Answer: longest line on wind rose diagram
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