Computer · Concrete Technology
Which of the following precautions need to be adopted for concreting in sub-zero temperatures? (i) Pre-heating of ingredients of concrete (ii) Use of insulating formwork/heating enclosures (iii) Use of anti-freezing admixtures (iv) Electrical heating of concrete mass
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Only (i) and (iii)
- 2(i), (ii), (iii), and (iv)✓
- 3Only (i), (ii), and (iii)
- 4Only (i) and (ii)
Correct answer
(i), (ii), (iii), and (iv)
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