Consider the following statements: Thermal stress is induced in a component in general, when 1. A temperature gradient exists in the component. 2. The component is free from any restraint. 3. It is restrained to expand or contract freely. Which of the above statements is/are correct?

Consider the following statements: Thermal stress is induced in a comp

1.	Consider the following statements: Thermal stress is induced in a component in general, when 1. A temperature gradient exists in the component. 2. The component is free from any restraint. 3. It is restrained to expand or contract freely. Which of the above statements is/are correct?
A.	1 and 2
B.	2 and 3
C.	3 alone
D.	2 alone.
Answer» D. 2 alone.

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Consider the following statements: Thermal stress is induced in a component in general, when 1. A temperature gradient exists in the component. 2. The component is free from any restraint. 3. It is restrained to expand or contract freely. Which of the above statements is/are correct?

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