Civil Engineering - UPSC Civil Service Exam Questions - Discussion

Discussion Forum : UPSC Civil Service Exam Questions - Section 21 (Q.No. 31)
31.
Consider the following statements :
Cement concrete is a/an :
1. Elastic material.
2. Visco-elastic material.
3. Visco-plastic material.
Which of the statements given above is/are correct ?
1, 2 and 3
2 and 3
2 only
1 only
Answer: Option
Explanation:
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Discussion:
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