A high water level condition in a boiler could lead to water hammer and line rupture.

The boiler pressure should always be ___ the header pressure when cutting a boiler in on the line.

Plate-and-shell exchangers usually consist of a cylindrical shell containing a heating or cooling fluid.

Pre-treatment equipment commonly includes ___.

When performing a bottom blowdown, the valve closest to the boiler is always opened ___.

Pre-treatment equipment commonly includes ___.

An ear muff is a device inserted into the ear canal to reduce the level of noise reaching the eardrum.

The NFPA Hazard Signal System colors and numbers identify potential health (blue), flammability (red), reactivity (___), and special hazards (no special color).

A(n) ___ is a cooling system that chills water for cooling.

A backflow preventer with an intermediate atmospheric vent consists of four independent check valves within the body and an atmospheric vent between the check valves.