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What is the initial setting time of cement?(a) 1 hour(b) 30 minutes(c) 15 minutes(d) 30 hoursI got this question during an online interview.Query is from Properties of Cement in division Materials for Construction of Basic Civil Engineering

Answer»

The CORRECT option is (b) 30 minutes

The EXPLANATION is: As per IS CODE 4031-part 5, the INITIAL setting time of cement is MINIMUM of 30 minutes.After this cement will start losing its plasticity and will not be workable.



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