A ___ is a vessel that prevents damage to a sewer system from steam and hot water by holding blowdown water until it is cool enough for safe discharge.

A temperature-pressure gauge has two scales.

Personal protective equipment (PPE) is a device or clothing worn by a boiler operator to prevent injury.

A steam header is a distribution pipe that supplies steam to branch lines.

With an additive pressure control, cut-in pressure plus differential pressure equals ___ pressure.

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

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 ___.