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Question
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.
Correct Answer
0.1% to 0.25%
More questions
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.
Show Answer
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Discuss
Correct Answer: all the above.
2. Parallax bar measures
Options
A. parallax
B. height
C. parallax difference
D. height difference.
Show Answer
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Correct Answer: parallax difference
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.
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Correct Answer: 501.340 m
4. The S.I. unit of Modulus of elasticity is
Options
A. Newton/m
2
B. Newton/cm
2
C. Newton/mm
2
D. all the above.
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Correct Answer: all the above.
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
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Correct Answer: 25 m
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.
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Correct Answer: a reverse curve introduced in continuity of a turn out
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%
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Correct Answer: 75%
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.
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Correct Answer: a mixture of white lead and lead paint
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.
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Correct Answer: 30 litres/person/year
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.
Show Answer
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Discuss
Correct Answer: longest line on wind rose diagram
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