AF Commercial Driving Theory Practice Questions - Afghanistan Driving License Theory Test - Commercial & Heavy Vehicle Exam

What is the primary function of the air compressor in a heavy commercial vehicle's pneumatic brake system?

To pump compressed air into the storage reservoirs (air tanks) to supply the braking system To cool the engine cylinders during heavy braking To provide hydraulic fluid pressure to the clutch To inflate the cabin air conditioning system

Correct Answer:

To pump compressed air into the storage reservoirs (air tanks) to supply the braking system

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