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The most common LP gas is propane.

The most common LP gas is propane.

A(n) ___ is a safety device that senses if the pilot light and/or main flame are lit.

During a hydrostatic test, pressure on the boiler is brought up to ___ times the MAWP.

During a hydrostatic test, pressure on the boiler is brought up to ___ times the MAWP.

Cutting a boiler in on-line is the opening of the main steam stop valve to the main steam header to allow steam to flow to its point of use.

More pounds of silica gel than quicklime are required for the dry layup of a boiler.

The primary function of a pressure gauge is to de-energize a burner safety circuit and shut down the burner if the water level in the system drops below a safe operating level.

Refrigerants are selected for their ability to absorb, transport, and release heat at the proper temperature and pressure.

A ___ is a bulge or deformed area on a boiler shell that extends through the entire thickness and is caused by localized overheating.