Class 3 Theory Test Practice Questions - NZTA Class 3 Heavy Vehicle Theory Test - Medium Combination Exam

In an air brake system, what is the purpose of the compressor?

To provide hydraulic pressure to the brake calipers To pump air into the reservoirs to build up air pressure for braking To control the ABS system To inflate the tyres automatically

Correct Answer:

To pump air into the reservoirs to build up air pressure for braking

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