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What is the percentage of air by volume in Air Entraining Cement?

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What is the percentage of air by volume in Air Entraining Cement?

(a) 3-4

(b) 10-11

(c) 7-8

(d) 9

I had been asked this question by my school principal while I was bunking the class.

My doubt stems from Process of Manufacture of Fresh Concrete in portion Fresh Concrete of Concrete Technology

1 Answer

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Best answer
Right choice is (a) 3-4

The best explanation: Entertainment of air also improves work ability and durability. It is recommended that air contents should be 03-04 % by volume.

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