Civil Engineering MCQJE Level Civil Engineering
A design assistant has to decide on closed cylindrical pressure vessel stresses. Which statement is sound? Avoid the common trap that longitudinal stress is twice hoop stress.
Strength of MaterialsThin CylinderMEDIUM
Choose the correct answer
A
hoop stress is independent of diameter
B
hoop stress is twice the longitudinal stress
C
both stresses are zero at the wall
D
longitudinal stress is twice hoop stress
Correct Answer
B. hoop stress is twice the longitudinal stress
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For a closed thin cylinder, sigma_h = pD/2t and sigma_l = pD/4t. 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.