Chapter 64 Quiz A and B

The door used to control interior temperature is called the ________ door.

• temperature-blend

• recirculation

• outside (fresh) air

• mode

Most systems use a flap door that swings about ________ degrees.

• 10 to 25

• 24 to 40

• 45 to 90

• 90 to 120

Which of the following is TRUE regarding the cabin air filter?

• It is mounted in the incoming air stream from the cowl intake.

• Filter restrictions can reduce the volume of air entering the passenger compartment.

• Both A and B are correct.

• Neither A nor B is correct.

What is a "reheat" system?

• A system that used two heater cores

• A system that cools the air through the evaporator then heats the air through airflow through the heater core

• A system that uses both engine coolant and an electric heater to heat the air

• Any of the above, depending on the make and model of vehicle

The air inlet control door is also called a ________.

• fresh air door

• recirculation door

• outside air door

• any of the above

Cabin filters remove dust and pollen from the ________ airstream.

• recirculated

• incoming

• floor

• dash

What does the snowflake button on the dash do?

• Selects defrost

• Selects defog

• Turns on the A/C compressor

• Selects fresh outside air

A blower motor works on all speeds except high. Technician A says that the high speed relay may be faulty. Technician B says that the blower motor should be replaced. Which technician is correct?

• Technician A only

• Technician B only

• Both technicians

• Neither technician

"Outside air" is also called ________ air.

• recirculation

• fresh

• plenum

• mode

When the blower control is set on "HIGH" the blower motor receives full battery voltage through a ________.

• high speed resistor

• relay

• solenoid

• clamp connector