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Q: In case of absorption test on burnt clay building bricks as per IS 3495 (part 2);1992, bricks shall be soaked in cold water for a duration of______
  • A. 16 hours
  • B. 9 hours
  • C. 12 hours
  • D. 24 hours
Correct Answer: Option D - Water absorption test of bricks as per IS 3495 (part 2) 1992, bricks shall be soaked in cold water for a duration of 24 hours at temperature 27 ±2°C. • Five bricks are taken for test. • They are allowed to dry in an oven at 110° to 115°C till they attain a constant weight which usually takes place in 48 hours.
D. Water absorption test of bricks as per IS 3495 (part 2) 1992, bricks shall be soaked in cold water for a duration of 24 hours at temperature 27 ±2°C. • Five bricks are taken for test. • They are allowed to dry in an oven at 110° to 115°C till they attain a constant weight which usually takes place in 48 hours.

Explanations:

Water absorption test of bricks as per IS 3495 (part 2) 1992, bricks shall be soaked in cold water for a duration of 24 hours at temperature 27 ±2°C. • Five bricks are taken for test. • They are allowed to dry in an oven at 110° to 115°C till they attain a constant weight which usually takes place in 48 hours.