Compression of automotive refrigerant also raises its temperature, and hot high-pressure gas is created in the ________.

Select one:

• Rotary vane compressor

• Swash plate

• Axial piston compressor

• Compressor chamber

Barrier-type air-conditioning hose is constructed with a nylon inner core to prevent moisture _______ (movement into the system) and permeation of refrigerant from the air-conditioning system.

Select one:

• Convection

• Ingression

• Condensing

• Evaporation

Technician A says that the evaporator is on the high side of the system. Technician B says that the condenser transfers heat to the atmosphere. Who is correct?

Select one:

• Technician A

• Technician B

• Both A and B

• Neither A nor B

Automotive air-conditioning service and repair technicians need to have a special license called the ________.

Select one:

• EPA 609 license

• MVAC license

• HVAC license

• DOT license

The heat required to change the water at its maximum temperature from a liquid to a gas is called:

Select one:

• latent heat of evaporation.

• latent heat of condensation.

• latent heat of boiling.

• None of the answers listed.

Heat always transfers from hot objects to cold objects.

Select one:

• True

• False

When the compressor switches on, the suction from the compressor removes refrigerant vapor from the evaporator and _______ its pressure.

Select one

• Lowers

• Raises

• Varies

• None of the answers listed

The thermal cycle switch is a ________, temperature-controlled switch that controls the compressor clutch.

Select one:

• Normally open

• Normally closed

• Variable resistance

• None of the answers listed

A(n) ________ of the system is carried out to verify the customer concern on an HVAC system.

Select one:

• Visual inspection

• Performance test

• Leak test

• Vacuum test

What is the term used to describe the process of making an HVAC system perform to its maximum ability and comparing that to specifications?

Select one:

• Reclaiming

• Vacuum testing

• Leak testing

• Performance testing