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

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.

Flash gas is a refrigerant that boils off and cools liquid refrigerant when some of the refrigerant molecules absorb heat from the other refrigerant molecules.

Flash gas is a refrigerant that boils off and cools liquid refrigerant when some of the refrigerant molecules absorb heat from the other refrigerant molecules.

___ weakens the metal and shortens the life of a boiler.

Boiler water pH requirements vary, but the pH value of boiler water typically should be maintained between ___ to prevent scale formation.

Boiler layup is required when a boiler is out of service between shifts.

___ weakens the metal and shortens the life of a boiler.