Civil Engineering MCQAE Level Civil Engineering
A thin circular plate of radius r and thickness t is subjected to radial stress sigma throughout its circumference. The unit volume change of the entire plate is:
Strength of MaterialsStrength of MaterialsMEDIUM
Choose the correct answer
A
sigma/E (1 - mu)
B
2 sigma/E (1 - mu)
C
sigma/E (1 - 2mu)
D
2 sigma/E (1 - 2mu)
Correct Answer
D. 2 sigma/E (1 - 2mu)
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For equal radial and circumferential plane stresses, volumetric strain = 2 sigma(1 - 2mu)/E
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This MCQ belongs to WBPSC AE Previous Years Questions Series. Full tests include timed attempts, rank comparison and subject-wise analysis.