Quizizz Chapter 10: Refrigerants Review

What is the main role of refrigerants in an HVAC system?

• To circulate air

• To absorb and release heat

• To generate electricity

• To increase system pressure

Which of the following refrigerants is classified as a natural refrigerant?

• R-12

• R-717

• R-410A

• R-134a

What does ODP stand for in relation to refrigerants?

• Overheating Damage Potential

• Ozone Depletion Potential

• Operational Density Pressure

• Optimal Discharge Process

The refrigerant cycle consists of which four main stages?

• Condensation, Compression, Expansion, Evaporation

• Circulation, Ventilation, Condensation, Pressurization

• Filtration, Compression, Expansion, Cooling

• Absorption, Cooling, Circulation, Filtration

Which refrigerant has been phased out due to its high ODP?

• R-134a

• R-12

• R-32

• R-1234yf

What is the primary purpose of the Montreal Protocol?

• To regulate HVAC equipment efficiency

• To phase out ozone-depleting substances

• To increase refrigerant production

• To ban all synthetic refrigerants

Which refrigerant is replacing R-410A due to its lower GWP?

• R-134a

• R-717

• R-32

• R-404A

What is a characteristic of HFO refrigerants like R-1234yf?

• High ODP and high GWP

• Zero ODP and low GWP

• Toxic and flammable

• Banned under the Kigali Amendment

The AIM Act was signed in 2020 to regulate which type of refrigerants?

• Natural refrigerants

• HFCs

• CFCs

• Hydrocarbons

What ASHRAE classification applies to highly flammable refrigerants?

• A1

• A2L

• A3

• B2L