|
Emergency
|
|
|
Supply
|
|
|
Normal
|
Kentucky CDL Permit Test - Combination
(From the 2021 Kentucky CDL driver handbook)
| Number of questions: | 20 |
| Passing score: | 16 |
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 Commercial Driver License Manual. 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.
Passing grade —
4 or fewer errors
advertising
1.
When you are pulling a trailer, the air supply control lever should be in its ____ position.
2.
Fully-loaded rigs:
|
Usually are very responsive to steering.
|
|
|
Are more likely to roll over than empty rigs.
|
|
|
Can stop quickly.
|
3.
If unsure if a trailer has an Anti-Lock Braking System (ABS), you can:
|
Look under the trailer for wheel speed sensors coming from the back of the brakes.
|
|
|
Remove a tire and look for the ABS sensor on the axle.
|
|
|
Assume it does have ABS.
|
4.
Trailers built before ____ are not required to have spring brakes.
|
1985
|
|
|
1975
|
|
|
1999
|
5.
When driving a vehicle equipped with an Anti-Lock Braking System (ABS), brakes should be applied:
|
In the same way as they would be in a vehicle without ABS.
|
|
|
As the vehicle is placed in neutral.
|
|
|
With the hand brake.
|
6.
When driving with trailers, you should:
|
Make quick, sudden changes.
|
|
|
Avoid making sudden moves.
|
|
|
Accelerate by pushing the accelerator to the floor.
|
7.
Rearward amplification refers to:
|
The amount of noise projected to the rear of a vehicle.
|
|
|
The cause of the "crack-the-whip" effect.
|
|
|
The number of trailers that can be pulled by a tractor.
|
Ace Your DMV Written Test
Get your Cheat Sheet Now!
Get your Cheat Sheet Now!
Wait, before you go
Ace your DMV Written Test with our Guaranteed Cheat Sheet.
