Computer · Civil Engineering - Building Materials
As per IS 8041:1990 specifications for rapid hardening Portland cement, the setting times when tested by the Vicat apparatus method must satisfy which of the following criteria?
- 1Initial setting time shall not be less than 30 minutes and final setting time shall not be less than 600 minutes
- 2Initial setting time shall not be more than 10 minutes and final setting time shall not be more than 90 minutes
- 3Initial setting time shall not be less than 30 minutes and final setting time shall not be more than 600 minut es✓
- 4Initial setting time shall not be more than 30 minutes and final setting time shall not be more than 600 minutes
Correct answer
Initial setting time shall not be less than 30 minutes and final setting time shall not be more than 600 minut es
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