Improper feedwater treatment is probably the largest direct cause of boiler failure.

A ___ should always start up in low fire and shut down in low fire.

A TXV maintains a constant superheat of about 8°F to 12°F.

All boilers in battery must have two main steam stop valves or one main steam stop valve and one ___.

Before relighting a burner, the combustion control programmer must go through a purge cycle.

A ___ should always start up in low fire and shut down in low fire.

After blowing down the water column and gauge glass, the low water fuel cutoff should be blown down also.

Atomization is the ability of fuel to be vaporized.

The National Fire Protection Association (NFPA) is a federal government agency established in 1970 to control and abate pollution in the areas of air, water, solid waste, pesticides, radiation, and toxic substances.

Boiler water analysis tests the condition of boiler water and is used to determine the feedwater treatment required.