VA CDL Combination Practice Test (2024)

1. Dollies with ABS are required to have a malfunction lamp:

2. If during vehicle inspection a tire is too hot to touch, you should:

let air out.
immediately decrease air pressure.
remain stopped until the tire cools off.

3. When backing a tractor under a trailer:

the end of the kingpin will be even with the top of the fifth wheel.
the trailer will be lifted slightly when the tractor backs under it.
the fifth-wheel will come out from under the trailer.

4. The best way to test the trailer service brakes is to:

accelerate to the maximum possible speed, then apply the trailer brakes fully.
pull forward quickly, then apply the trailer brakes with your hand control.
None of the above.

5. "Bobtail" tractors are:

tractors without semitrailers.
tractors with two trailers.
tractors with a tank.

6. _________ can make vehicle handling unsafe.

7. A bridge formula permits less maximum axle weight for axles that:

are further apart than normal
have a high center of gravity
are closer together

8. Which of the following is NOT a good rule for using turn signals?

Cancel your signal after you have turned.
Signal continuously until you have completed the turn.
Put your turn signal on after the turn.

9. Before transporting sealed loads, you should check:

a small sample of whatever is inside.
the special transit permit.
that you don't exceed gross weight and axle weight limits.

10. When you inspect the coupling, make sure there is ______ between the upper and lower fifth wheel.

CDL COMBINATION PRACTICE TEST (VA)