Civil Engineering MCQJE Level Civil Engineering
During an RRB JE solution review on Thermal Stress, what is the safest statement about a fully restrained member subjected to a temperature rise? Avoid the common trap that tensile stress develops for every temperature rise.
Strength of MaterialsThermal StressHARD
Choose the correct answer
A
stress depends only on length
B
compressive stress develops when expansion is prevented
C
tensile stress develops for every temperature rise
D
no stress develops because the member is elastic
Correct Answer
B. compressive stress develops when expansion is prevented
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Restrained thermal expansion produces sigma = E alpha deltaT, compressive for heating. Correct option: B.
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This MCQ belongs to RRB JE Civil & Allied Engineering CBT-2 Full Mock Test Series. Full tests include timed attempts, rank comparison and subject-wise analysis.