The circumferential (hoop) stress in a thin walled cylindrical vessel under internal pressure is______________________?
Correct answer: B. pd/2t
- A. pd/4t
- B. pd/2t
- C. pd/t
- D. pd/3t
Explanation
Balancing the internal pressure force with the resisting force in the two longitudinal walls gives the hoop stress, σh = pd/2t. It is twice the longitudinal stress, pd/4t, for a thin cylindrical vessel.
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