The nominal size of a hose pipe is specified by its _________________?
Correct answer: D. I.D.
- A. None of these
- B. O.D.
- C. Thickness
- D. I.D.
Explanation
A hose is normally designated by its nominal bore, which corresponds to its internal diameter because this controls the flow passage. Outside diameter varies with wall thickness and is not the usual nominal size.
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