Exam 54: Heating and Air Conditioning

The blower motor fan is sometimes referred to as a(n) ____________________ cage.

A poor heat out of the floor duct condition is being discussed. Technician A says the coolant level in the engine's cooling system may be low. Technician B says the engine's thermostat may be faulty. Who is correct?

Refrigerant is a low-pressure liquid as it leaves the condenser.

In an automotive A/C system the substance used to move heat from the passenger compartment to the outside air is called the ____________________.

Heater systems that do not use a heater control valve use a ____________________ door to regulate the heat inside the passenger compartment.