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Civil Engineering - UPSC Civil Service Exam Questions - Discussion

Discussion Forum : UPSC Civil Service Exam Questions - Section 9 (Q.No. 5)
UPSC Civil Service Exam Questions
5.
A round steel bar of overall length 40 cm consists of two equal portions of 29 cm each having diameters of 10 cm and 8 cm respectively. If the rod is subjected to a tensile load of 10 tones, the elongation will be given by :(E = 2 x 106 kg/cm2)
1/10π (1/25 + 1/16) cm
2/10π (1/25 + 1/16) cm
3/10 π (1/25 + 1/16) cm
4/10 π (1/25 + 1/16) cm
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
2 comments Page 1 of 1.
Tina said:   2 years ago
No, the equal portions will be 20 cm each.
Dharma. S said:   3 years ago
Please explain the answer.
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