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Civil Engineering - Concrete Technology - Discussion

Discussion Forum : Concrete Technology - Section 2 (Q.No. 38)
Concrete Technology
38.
For an ordinary Portland cement
residual does not exceed 10% when sieved through IS Sieve No. 9
soundness varies from 5 to 10 mm
initial setting time is not less than 30 minutes
compressive stress after 7 days, is not less than 175 kg/cm2
all the above.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
26 comments Page 3 of 3.
Raj said:   4 years ago
Answer is D.

For 3 days=160 and for 7 days=210.
Prasanna Gosavi said:   4 years ago
Yes, here the right answer is option E i.e. all of the above.
Prasanna Gosavi said:   4 years ago
Yes, here the right answer is option E i.e. all of the above.
Micky said:   3 years ago
Option C is correct because option A is for rapid hardening cement.
WASEEM SANGI said:   3 years ago
All the given options are right so, E is the right option.
Imran Ali magsi said:   1 year ago
Option E is correct.

As for rapid hardening residuals are 5%.

So, All options are correct.
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