An induced draft fan is located in front of a boiler furnace.

A measurement of the quantity of heat transfer is the British thermal unit (Btu).

Heat is transferred by ___.

If the bottom line to a gauge glass is closed or clogged, the glass will be empty.

Checking the gauge glass is the quickest way to determine water level in a boiler.

Latent heat is heat identified by a change of state and temperature change of a substance.

Latent heat is heat identified by a change of state and temperature change of a substance.

If the bottom line to a gauge glass is closed or clogged, the glass will be empty.

The water column of a boiler should be blown down each shift.

A(n) ___ gauge is a pressure gauge that indicates more pressure than is actually present.