Air conditioning intro quiz

What is the name of the gas used in modern automotive air con systems?

• R12

• R134a

• R157s

• Dennis

Why can't the gas be released?

• Damages Ozone

• Greenhouse gas

• Poisionous

• Expensive

Do you need a license to change air con gas?

• Yes

• No

Which component squeezes the gas?

• Compressor

• Condenser

• Evaporator

• TX valve

Which system has moving parts?

• TX valve

• Fixed orifice

Where does the high pressure liquid become a gas?

• Evaporator

• Condenser

• TX valve

• Compressor

What tool can be used to identify a leak?

• Sniffer

• Snorter

• Smeller

• Sounder

What gas was used previously?

• CO2

• R134a

• Nitrogen-free oxygen

• R12

Why do we hold the vacuum when doing a recharge

• To remove the old gas

• To insert the new gas

• To boil off water

• To insert oil

In what state is the refrigerant when it exits the condenser?

• High pressure gas

• Low pressure gas

• High pressure liquid

• Low pressure liquid