A(n) ___ metering device is a metering device with a fixed opening that acts as a restriction in the liquid line between a condenser and an evaporator.

A feedwater system is a boiler system that collects, controls, and distributes the steam produced in a boiler.

Rusting of boiler metal is caused by oxygen in boiler water.

A feedwater system is a boiler system that collects, controls, and distributes the steam produced in a boiler.

Unburned fuel oil that is heated in a furnace will ___.

A major source facility is a facility that emits less than 10 tons per year of any single air toxic and less than 25 tons per year of any combination of air toxics.

Unburned fuel oil that is heated in a furnace will ___.

A(n) ___ is a combustion control system that controls the amount of steam produced by changing the burner firing rate.

Piping system designs vary depending on the degree of temperature control desired and the specific application.

A deaerator is a boiler water treatment accessory that heats feedwater to the temperature of saturated steam at the pressure within a pressure vessel.