ACR-206 Chapter 58 Test (CRF)

Technician A says that the air conditioning control module receives information from the vehicle data link for chassis air pressure in the air reservoirs to protect the air conditioning system components. Technician B says that the battery voltage is critical to protect air conditioning system components. Who is correct?

• Technician A

• Technician B

• Both Technician A and Technician B

• Neither Technician A nor Technician B

Air conditioning systems absorb heat from a cab interior through a(n) __________.

• Condenser

• Evaporator

• Compressor

• Blower

Air conditioning systems transfer heat to the atmosphere using a(n) __________.

• Condenser

• Compressor

• Evaporator

• Filter

• Blower

Although refrigerants are relatively safe, they are considered to be __________.

• Penetrants

• Absorbents

• Irritants

• Suffocants

• Corrosives

Hydrofluoro-olefin (HFO)-based refrigerant has a GWP that is __________% lower than R134a.

• 89.7

• 80

• 33.2

• 50

• 99.7

A condenser located in the cab removes heat and transfers it to the atmosphere via the evaporator. Who is correct? Select one:

• Technician A

• Technician B

• Both Technician A and Technician B

• Neither Technician A nor Technician B

Which of the following is a replacement for Freon? Select one:

• R-502

• R-22

• R-11

• R-134a

Which of the following was produced by reacting carbon tetrachloride with fluorine gas? Select one:

• HFO

• Freon

• HCHC

• R-135a

A comfortable vehicle environment reduces driver __________. Select one:

• Vigor

• Fatigue and distraction

• Certainty and tranquility

• Toughness

How do the late-model vehicles help maintain a cleaner and dust-free cab interior? Select one:

• Equipped with an air ventilator located at the cab air inlet

• Equipped with an air filter located at the cab air inlet

• Equipped with an air compressor located at the cab air inlet

• Equipped with an air filter located at the cab air outlet