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

The outer end of a fuel-oil fill pipe must be equipped with which device?

A glass sight gauge that drains into the boiler room. A tight metal cover designed to discourage tampering and identified as a fuel-oil fill. A spring-loaded vacuum breaker open to the boiler room. A hose-thread connection left uncapped for the next delivery.

Correct Answer:

A tight metal cover designed to discourage tampering and identified as a fuel-oil fill.

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