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Mica and Limestone

The initial s...

Question

The initial setting time of cement as specified in the Indian standards is:

A

>30 mins

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B

< 30 mins

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C

> 600 mins

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D

< 600 mins

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Solution

The correct option is A >30 mins
According to The Indian standards, in ordinary Portland cement, the initial setting time should not be less than 30 mins and the final setting time should not be more than 10 hours.

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