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.

Hot water boilers operating with a 250°F water temperature and ___ psi water pressure or less are classified as low pressure.

The effect of hydrostatic pressure must be considered when calibrating a pressure gauge.

A(n) ___ water softener softens water by replacing calcium and magnesium with sodium.

Corrosion can be prevented by preheating the feedwater fed to a boiler to help remove oxygen and carbon dioxide.

In a low pressure gas system, the manual reset valve cannot open until the gas pilot is lit.

The effect of hydrostatic pressure must be considered when calibrating a pressure gauge.

Because each section of a(n) ___ boiler is modular, sections can be assembled on-site to produce the boiler capacity required.

Because each section of a(n) ___ boiler is modular, sections can be assembled on-site to produce the boiler capacity required.