Any shell opening greater than 5 cms for a storage tank must be reinforced for reason of ____________________?
Correct answer: D. Preventing the local overstressing of the shell around the opening
- A. None of these
- B. Reduction of discontinuity in shape at the junction
- C. Making the joint leak proof
- D. Preventing the local overstressing of the shell around the opening
Explanation
A large opening weakens the shell and creates concentrated stresses around its edge, so reinforcement is added to prevent local overstressing. Reinforcement is not primarily intended to make the joint leak-proof.
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