SSC JE Mechanical Engineering 2018 Set 1 Paper

Question : 122 of 200

Marks: +1, -0

The conditions for the thermal stress in a body are given below.
(A) It is the function of coefficient of thermal expansion.
(B) It is the function of temperature rise.
(C) It is the function of modulus of elasticity.
Which of the following is the CORRECT answer?

A and B only
A and C only
B and C only
All option are correct

Validate

Solution:

Thermal stress

(σ) = Eα. At

So it depends on
(i) Modulus of elasticity
(ii) Coefficient of thermal expansion
(iii)function of temperature rise.

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