Civil Engineering - UPSC Civil Service Exam Questions - Discussion
Discussion Forum : UPSC Civil Service Exam Questions - Section 22 (Q.No. 48)
48.
Consider the following statements :
The effect of air entrainment in concrete is to
1. increase resistance to freezing and thawing.
2. improve workability.
3. decrease strength.
Which of these statements are correct ?
The effect of air entrainment in concrete is to
1. increase resistance to freezing and thawing.
2. improve workability.
3. decrease strength.
Which of these statements are correct ?
Discussion:
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