Civil Engineering - UPSC Civil Service Exam Questions - Discussion

Discussion Forum : UPSC Civil Service Exam Questions - Section 22 (Q.No. 47)
47.
Two similar round bars A and B are each 30 cm long as shown in the given figure. The ratio of the energies stored by the bars A and B, is
3/2
1.0
5/8
2/3
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
4 comments Page 1 of 1.

Noman said:   4 years ago
The Correct Answer is Ub/Ua =2/3 (D).

Shubham said:   3 years ago
How? Explain.

Djdanny said:   2 years ago
Here U~V ( strain energy is proportional to volume).
V = v1 + VW.
Va = 282.73cm^3.
Vb = 188.49cm^3.
Therefore Ub/Ua = 0.67(2/3).

Rahul said:   1 year ago
Agree, option A is the correct answer.
(1)

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