The fire point temperature is higher than the flash point temperature.

The fire point temperature is higher than the flash point temperature.

Increased water surface tension on boiler water can lead to foaming, causing rapid fluctuations in water level.

The amount of natural draft produced increases with the height of a stack.

A globe valve should never be used as a main steam stop valve.

Surface impurities increase the surface tension in a blowdown line by creating a film which prevents ___ bubbles from breaking through the surface of the water.

Feedwater chemicals are mixed in the ___.

Low water fuel cutoffs must be ___ for proper performance.

Spontaneous combustion is combustion caused by self-ignition through chemical action.

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