Civil Engineering - UPSC Civil Service Exam Questions - Discussion

Discussion Forum : UPSC Civil Service Exam Questions - Section 6 (Q.No. 12)
12.
A steel bar of 2 m length is fixed at both ends at 20°C. The coefficient of thermal expansion is 11 x 10-6/°C and the modulus of the elasticity is 2 x 106 kg/cm2. If the temperature is changed to 18°C, then the bar will be experience a stress of
22 kg/cm2 (tensile)
22 kg/cm2 (compressive)
44 kg/cm2 (compressive)
44 kg/cm2 (tensile)
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
16 comments Page 2 of 2.

Allu said:   3 years ago
D is the right answer. I too agree.
(1)

Chhaya said:   8 years ago
Yes @Vicky, the right answer is D.

Mathivathani said:   3 years ago
Please explain the Formula.

A Ali said:   5 years ago
It should be option D.
(1)

Apk said:   3 years ago
It should be Tensile.

Vivek said:   7 years ago
How? Explain please.


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