Civil Engineering - UPSC Civil Service Exam Questions - Discussion
Discussion Forum : UPSC Civil Service Exam Questions - Section 7 (Q.No. 3)
3.
A steel rod, 100 mm long is held between two rigid supports. It is heated by 20°C. If the coefficient of thermal expansion of the material of the rod is 15 x 10-6 /° C and modulus of elasticity is 200 x 103 MN/m2, what is the stress in the rod ?
Discussion:
3 comments Page 1 of 1.
Girish Gange said:
3 years ago
We can use α*T*E.
(2)
Dharshit said:
7 years ago
= Alpha*T*E.
= 15*10^-6 *20*200*10^3.
= 15*10^-6 *20*200*10^3.
Lara said:
7 years ago
Please explain the answer.
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