Question

The initial setting time of rapid hardening cement should not be less than:

• A. 30 mins
• B. 1 hour
• C. 8 hours
• D. 24 hours

Answer 1

The correct option is A 30 mins

Rapid hardening cement (IS 8041-1990)

Setting time:
$\text{(a) Initial setting time}\to \text{30 minutes (min.)}$
$\text{(b) Final setting time}\to \text{10 hours (max.)}$