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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