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A steambound pump is caused by ___.

A low pressure steam boiler must have ___ or more gauge glasses to determine the water level in the boiler.

Refrigerants used in mechanical refrigeration systems are derived from fluorine and bromine.

Refrigerants used in mechanical refrigeration systems are derived from fluorine and bromine.

Blowdown of a gauge glass is performed by opening the gauge glass blowdown valve.

In order to reduce the viscosity of fuel oil, it is necessary to ___.

A back-pressure burner is a burner consisting of tubes with drilled holes that allow pressurized gas to escape into the furnace where the gas is burned.

___ is the amount of fuel a burner is capable of burning in a given unit of time.

Flame failure can cause a furnace explosion from the buildup and ignition of fuel.

Flame failure can cause a furnace explosion from the buildup and ignition of fuel.