The design of the pressure vessel is based on
A. Longitudinal stress
B. Hoop stress
C. Longitudinal and hoop stress
D. None of these
Answer: Option B
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Yes, as we know ... hoop stress =2 times of longitudinal stress.... So hoop stress is more. If we design such that it is safe for more stress then it is automatically safe for the lower stress. Hence, we design pressure vessel based on hoop stress.
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