In handling air-entraining admixtures the beneficial amount of entrained air depends upon certain factors like1. Type and quantity of air-entraining agent2. Water-cement ratio of the mix3. Strength of aggregates4. The extent of compaction of concrete

In handling air-entraining admixtures the beneficial amount of entrain

1.	In handling air-entraining admixtures the beneficial amount of entrained air depends upon certain factors like1. Type and quantity of air-entraining agent2. Water-cement ratio of the mix3. Strength of aggregates4. The extent of compaction of concrete
A.	1, 2 and only
B.	1, 2 and 4 only
C.	1, 3 and 4 only
D.	1, 2, 3 and 4
Answer» C. 1, 3 and 4 only

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In handling air-entraining admixtures the beneficial amount of entrained air depends upon certain factors like1. Type and quantity of air-entraining agent2. Water-cement ratio of the mix3. Strength of aggregates4. The extent of compaction of concrete

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