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All boilers are equipped with a boiler vent.

To correct a steambound feedwater pump, water fed to the pump must be heated.

All boilers are equipped with a boiler vent.

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

An auxiliary low water fuel cutoff is installed ___.

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 ___.

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

A low water fuel cutoff is located slightly below the NOWL.