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A brick refractory should be cooled rapidly for energy efficiency.

Gear pumps are widely used positive-displacement pumps because of their simple design and ease of repair.

A boiler room contains many combustible materials, and boiler room fire safety requires established procedures to reduce or eliminate conditions that could cause a fire.

When an increase in steam pressure is required, the ___ activates the programmer to start a purge cycle and lights the pilot light.

A boiler room contains many combustible materials, and boiler room fire safety requires established procedures to reduce or eliminate conditions that could cause a fire.

Well-designed burners firing gaseous and liquid fuels operate at excess air levels of about ___% and result in negligible amounts of unburned fuel.

A(n) ___ is an air pressure-activated switch that closes after proving sufficient pressure of combustion air from the forced draft fan.

A vacuum pump is equipped with check valves on both sides of the piston so that the pump moves fluid when the reciprocating component is moving in either direction.

Without condensate in a surge tank, the low water alarm on the tank should sound.

The ASME Boiler and Pressure Vessel Code requires at least one water column on all boilers.