NV C-1A Boilers Practice Questions - Nevada C-1A Boilers Contractor Examination Exam

Unless an exception applies, oil piping that connects a burner to its supply shall not be smaller than which size?

3/8-inch iron pipe or 3/8-inch OD tubing 1/8-inch iron pipe or 1/8-inch OD tubing 1-inch iron pipe in all cases 2-inch iron pipe in all cases

Correct Answer:

3/8-inch iron pipe or 3/8-inch OD tubing

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