Air conditioner

How was the 2nd century rotary fan powered

• Electricity

• Prisoner

• Worker

• Noble

Who invented air-conditioner?

• Willis Haviland Carrier

• Me

• John Hamman Jr. of Houston

• Charles Gilbert Gates

Where was the first home have air conditioner built ?

• Minneapolis

• Viet Nam

• California

• Indiana

When was the first portable air conditioner invented ?

• 1945

• 1946

• 1947

• 1944

Which part in car air-conditioner system remove water from refridgerant ?

• Compressor

• Receiver

• Evaporator Coil

• Condenser

How many benefits and risks mention in the presentation ?

• 5/4

• 5/5

• 4/4

• 4/5

How much it cost to install car air-conditioner in Packard car in 1939 ?

• US$311

• US$274

• US$259

• US$520

Do you love air-conditioner ?

• YES

• NO