Civil Engineering - Concrete Technology
Exercise :: Concrete Technology - Section 2
1. |
Separation of coarse aggregates from mortar during transportation, is known |
A. |
bleeding | B. |
creeping | C. |
segregation | D. |
shrinkage | E. |
none of these. |
Answer: Option C
Explanation:
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2. |
According to the recommendations of IS : 456-1978, the expansion joints |
A. |
are provided where plane changes abruptly | B. |
are provided to ensure minimum resistance | C. |
are supported on separate columns | D. |
do not carry reinforcement across them | E. |
all the above. |
Answer: Option E
Explanation:
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3. |
Grading of sand causes great variation in |
A. |
workability of concrete | B. |
strength of concrete | C. |
durability of concrete | D. |
handing and placing of concrete | E. |
all the above. |
Answer: Option E
Explanation:
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4. |
Shrinkage in concrete can be reduced by using |
A. |
low water cement ratio | B. |
less cement in the concrete | C. |
proper concrete mix | D. |
presaturated aggregates | E. |
all the above. |
Answer: Option E
Explanation:
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5. |
Ordinary concrete is not used for concrete grade |
Answer: Option E
Explanation:
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