Question

What kind of brakes do most newer heavy-duty trucks use?

Answers

Single air brakes

Dual air brakes

Triple air brakes

Explanation

Most newer heavy-duty vehicles use dual air brake systems. A dual air brake system has two separate air brake systems which use a single set of brake controls.

This questions appears in the following tests:

Alabama Air Brakes

Alaska Double

Alaska Air Brakes

Arkansas Class B Knowledge Test

Arkansas Air Brakes

Delaware Class A Knowledge Test

Louisiana Bus

Louisiana Passenger

Michigan Air Brakes

Mississippi Air Brakes

Missouri Double

Montana Class A Knowledge Test

Montana Air Brakes

Ohio Class B Knowledge Test

Oklahoma Class B Knowledge Test

South Dakota Class A Knowledge Test

South Dakota Air Brakes

Utah Air Brakes

Vermont Class A Knowledge Test

Vermont Double

Washington Double