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

All boilers are equipped with a boiler vent.

A steambound pump is caused by ___.

All boilers are equipped with a boiler vent.

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 ___.