Class A - Test 3 | US DMV Test.com

6 What is a dual air brake system?

A brake system that works doubly as effective as a single brake system.

A type of brake system that has two separate air brake systems that use a single set of brake controls.

A brake system that consists of air brakes and hydraulic brakes.

A type of brake system that uses two separate air brake systems and two separate brake controls.

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