Cast iron detachable joint is used in __________ pipes.
Correct answer: A. Steel
- A. Steel
- B. Cast iron
- C. Asbestos cement
- D. Reinforced cement concrete
Explanation
A cast-iron detachable joint, such as a mechanical coupling arrangement, is commonly used to join steel pipes where dismantling is required. Welding is another common steel-pipe joint, but it is not detachable.
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