An ammonia-water chiller system commonly includes a generator, condenser, evaporator, and absorber.

A pressure control must be mounted in a vertical position to ensure accurate operation.

A ___ is burner control equipment that monitors the burner start-up sequence and the main flame during normal operation.

A ___ is an auxiliary device commonly used with boilers to transfer heat from a hotter fluid to a cooler fluid.

Only watertube boilers have bottom blowdown valves.

Rotary cup burners can burn only No. 2 fuel oil.

Four common types of ___ include the thermostatic, float thermostatic, inverted bucket, and thermodynamic.

If there is an overpressure condition in a boiler, then the water level controls have failed.

___ is the rapid opening and closing of a safety valve.

A ___ is a pipe fitting with removable plugs that allows for cleaning and inspection of piping.