Chapter 63 Air Conditioning Quiz

Technician A says that heat is measured in degrees. Technician B says that temperature is measured in degrees. Which technician is correct?

Hot coolant is circulated through the ________ to warm the vehicle interior.

Where in the air-conditioning system is the refrigerant a low-pressure gas?

Where in the air-conditioning system is the refrigerant a high-pressure liquid?

The compressor operates continuously with which type of system controls?

Technician A says that all HFC-134a uses the same refrigerant oil. Technician B says that refrigerant oil, regardless of type, must be kept in a sealed container to keep it from absorbing moisture from the air. Which technician is correct?

A thermal expansion valve has a ________ orifice, whereas an orifice tube uses a ________ orifice to control refrigerant flow.

Water is observed dripping out from beneath the evaporator. Technician A says that is normal. Technician B says that the evaporator housing is defective and should be replaced. Which technician is correct?

The material used to absorb moisture from inside the air-conditioning system is called?

R-1234yf refrigerant is slightly flammable. Because of this, if the evaporator is damaged, it must be replaced with a ________ evaporator.