Civil Engineering

Q: Which of the following introduces an error of about 1 in 1000 if 20 m chain is used

(a) :  length of chain 20 mm wrong
(b) :  one end of the chain 0.9 m off the line
(c) :  one end of chain 0.9 m higher than the other
(d) :  all the above.
(e) :  None of these
Answer:  all the above.

Q: In a barrage, the crest level is kept

(a) :  low with large gates
(b) :  high with large gates
(c) :  high with no gates
(d) :  low with no gates.
(e) :  None of these
Answer:  low with large gates

Q: The Young's modulus of elasticity of steel, is

(a) :  150 KN/mm2
(b) :  200 KN/mm2
(c) :  250 KN/mm2
(d) :  275 KN/mm2
(e) :  None of these
Answer:  275 KN/mm2

Q: Atmospheric pressure is equal to water column head of

(a) :  9.81 m
(b) :  5.0 m
(c) :  10.30 m
(d) :  7.5 m.
(e) :  None of these
Answer:  10.30 m

Q: Lapped splices in tensile reinforcement are generally not used for bars of size larger than

(a) :  18 mm diameter
(b) :  24 mm diameter
(c) :  30 mm diameter
(d) :  36 mm diameter
(e) :  32 mm diamete
Answer:  36 mm diameter

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