Question

When traveling down a steep downgrade:

Answers

The air brakes should be used.

The vehicle should be placed in a low gear and the driver should use engine braking.

The driver should continually downshift instead of using the brakes.

Explanation

On long and/or steep downgrades, you should primarily use engine braking to control the speed of your vehicle. Use your brakes only as a supplement to this effect.

This questions appears in the following tests:

Alaska Class A Knowledge Test

Delaware Air Brakes

Hawaii Class A Knowledge Test

Hawaii Double

Idaho Class B Knowledge Test

Idaho Air Brakes

Iowa Air Brakes

Maine Class B Knowledge Test

Michigan Class A Knowledge Test

Michigan Air Brakes

Missouri Class A Knowledge Test

Missouri Air Brakes

North Carolina Air Brakes

Ohio Air Brakes

Oklahoma Class A Knowledge Test

Oklahoma Class B Knowledge Test

Oklahoma Air Brakes

Rhode Island Class B Knowledge Test

South Carolina Class A Knowledge Test

South Carolina Class B Knowledge Test

Utah Class B Knowledge Test

Washington Class A Knowledge Test

Washington Air Brakes

Wyoming Air Brakes