HAC vocabulary Quiz 8

What is the freezing point of pure water on the Fahrenheit scale?

• 0 oF

• 32 oF

• 212 oF

• 100 oF

What does FPM stand for in the context of air velocity?

• Feet Per Mile

• Feet Per Hour

• Feet Per Minute

• Feet Per Second

What does a filter-drier remove from the refrigerant?

• Dust and debris

• Oil and grease

• Moisture and acid

• Air and foreign matter

What is flash gas in the context of refrigeration?

• The instantaneous evaporation of some liquid refrigerant at the metering device

• The release of refrigerant gas into the atmosphere

• The sudden increase in pressure in the refrigeration system

• The formation of ice on the evaporator coils

At what temperature does a change of state from a liquid to a solid begin?

• Melting point

• Boiling point

• Freezing point

• Room temperature