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Civil Engineering - Concrete Technology

Exercise : Concrete Technology - Section 2
1.
Separation of coarse aggregates from mortar during transportation, is known
bleeding
creeping
segregation
shrinkage
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
2.
According to the recommendations of IS : 456-1978, the expansion joints
are provided where plane changes abruptly
are provided to ensure minimum resistance
are supported on separate columns
do not carry reinforcement across them
all the above.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
3.
Grading of sand causes great variation in
workability of concrete
strength of concrete
durability of concrete
handing and placing of concrete
all the above.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
4.
Shrinkage in concrete can be reduced by using
low water cement ratio
less cement in the concrete
proper concrete mix
presaturated aggregates
all the above.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
5.
Ordinary concrete is not used for concrete grade
M 100
M 150
M 200
M 250
M 400
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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