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A rod is made of uniform material and ha...

A rod is made of uniform material and has non-uniform cross section. It is fixed at both the ends as shown and heated at mid-section. Which of the following are not correct?

A

Force of compression in the rod will be maximum at mid section

B

comressive stress in the rod will be maximum at left end

C

since rod in fixed at both the ends, its length will remain unchanged. Hence, no strain will be induced in it.

D

none of these

Text Solution

Verified by Experts

The correct Answer is:
A, C
The compressive force in the rod will be same at left end therefore, compressive stress will be maximum at this end.
Hence option b alone is correct.
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