For pipes that must be broken at intervals for maintenance, the connector used should be a/an__________________?
Correct answer: A. Union
- A. Union
- B. Tee
- C. Reducer
- D. Elbow
Explanation
A union provides a detachable connection, allowing a pipe section to be removed without cutting or rotating the whole pipeline. Tees, reducers, and elbows change branching, diameter, or direction rather than serving as maintenance connectors.
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