1.

The compressive strength of OPC increases with time:(a) True(b) FalseThe question was asked in an interview for internship.This key question is from Grades of Cement in chapter Materials for Construction of Basic Civil Engineering

Answer»

The correct OPTION is (a) True

The best I can explain: Cement blocks can be tested at 1 DAY, 3 days, 7 days and 28 days.Usually 1 day doesn’t GIVE any result.Strength of 43 grade OPC at the end of 3 days is 23, 7 days is 33 and 28 days is 43.So, it INCREASES with time.



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