Manitoba Airbrake Practice Exam 2026 – Your All-in-One Guide to Mastering the Airbrake Test!

Question: 1 / 400

What is the function of the air compressor in a vehicle's air brake system?

Converts air pressure to fluid pressure

Cools the air in the system

Draws air in and increases air pressure

The air compressor is responsible for drawing air into the air brake system and compressing it to the necessary pressure for the brakes to work. Option A is incorrect because the air compressor does not convert air pressure to fluid pressure, it maintains air pressure. Option B is incorrect because the function of the air compressor is not to cool the air, but to compress it. Option D is incorrect because the air compressor does not filter contaminants from the air, rather it compresses air from the environment.

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Filters contaminants from the air

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