Civil Engineering - Concrete Technology - Discussion

21. 

Percentage of pozzolanic material containing clay upto 80% used for the manufacture of pozzolana cement, is

[A]. 30%
[B]. 40%
[C]. 50%
[D]. 60%
[E]. 70%

Answer: Option A

Explanation:

No answer description available for this question.

Javed said: (Dec 7, 2014)  
How it is 30%?

Akshay said: (Feb 2, 2016)  
How please explain?

Manas Kumar Sahoo said: (Mar 27, 2016)  
Can anyone explain the answer?

Trump said: (Dec 1, 2016)  
Fly ash is a pozzolanic material and its proportion is limited to 35%.

Satish 57 said: (Dec 9, 2016)  
Pozzolanic materials 10-25%.

Andal said: (Jan 26, 2017)  
It was 10 to 15% only but it was revised as per latest amendments 35%.

Er. G.S Meena said: (Aug 20, 2017)  
According to IS Code 1489-1991; ppc mixed least of 15-35 percent.

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