Directions: All applicants who are applying for a Class A CDL should be prepared to take the Combination test. This test covers information found in Section 6 of the Wyoming Driver License Manual for Commercial & Heavy Vehicles. Section 6 provides the information needed to safely operate tractor-trailers, doubles, triples, and straight trucks with trailers. The test is made up of 20 multiple-choice questions, and applicants will need to correctly answer a minimum of 16 questions to pass. The Combination test is not a replacement for the Double/Triple endorsement test.

To accelerate in rural areas.
Only to test the trailer brakes.
Together with the brake pedal.
On slippery surfaces.

Turn on the air supply.
Apply the trailer emergency brakes.
Prevent a skid.
Accelerate the vehicle.

Activate the emergency brakes.
Deactivate the air brakes.
Sound the horn.
Supply the trailer with air.

Wyoming CDL Permit Test - Combination

The trailer hand valve should be used:

An air supply control in its "emergency" position will:

How much space should be between the upper and lower fifth wheel?

Push in the trailer air supply control to:

Pushing in the trailer air supply control will:

If you are backing and become unsure about your path of travel, you should:

What is the Johnson bar?

Number of questions:	20
Passing score:	16

About five inches of space
A maximum of two inches of space
No space

Continue backing.
Stop and get out to look.
Continue backing, but more slowly than before.

A hand valve that works the trailer brakes
A valve that indicates the fuel level
A valve that limits the amount of cargo