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Q: Whenever a sample of cement paste is examined, what is the gauging time to be followed as per IS 4031 (Part IV)?
  • A. 2 hours
  • B. 60 minutes
  • C. 2 to 6 hours
  • D. 3 to 5 minutes
Correct Answer: Option D - According to IS 4031 Part IV Clause 5.2 • Prepare a paste of weighed quantity of cement with a weighed quantity of potable or distilled water taking core that the time of gauging is not less than 3 minutes, not more than 5 minute and the gauging shall be completed before any sign of setting occurs.
D. According to IS 4031 Part IV Clause 5.2 • Prepare a paste of weighed quantity of cement with a weighed quantity of potable or distilled water taking core that the time of gauging is not less than 3 minutes, not more than 5 minute and the gauging shall be completed before any sign of setting occurs.

Explanations:

According to IS 4031 Part IV Clause 5.2 • Prepare a paste of weighed quantity of cement with a weighed quantity of potable or distilled water taking core that the time of gauging is not less than 3 minutes, not more than 5 minute and the gauging shall be completed before any sign of setting occurs.