Refrigeration is the process of moving heat from an area where it is undesirable to an area where the heat is acceptable.

Refrigeration is the process of moving heat from an area where it is undesirable to an area where the heat is acceptable.

The ___ of fuel oil is the lowest temperature at which it will flow as a liquid.

Water becomes less dense as it is heated.

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.

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

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.

A ___ is an accepted reference or practice.