Free Nebraska CDL Double/Triple Trailers Practice Test 2022

Do you know how to pair double or triple trailers? If you are planning to take the Nebraska CDL double/triple trailer endorsement test, make sure to know it! Our CDL Practice Test Nebraska has the same questions as the real exam which is based on the Nebraska CDL Manual. It covers most of the subject areas on the Double/Triple Trailers Test such as pulling double and triple trailers, the risk of rollover, managing space, and special considerations when hauling multiple trailers. In addition, each question has a detailed explanation that will help you understand the concept and answer future questions about it correctly. If you don't get the pass right away, you can take this CDL practice test an unlimited number of times to make sure you learn all the questions. Let’s try our Free Nebraska CDL Double/Triple Trailers Practice Test today and pass your CDL endorsement exam! Good luck and keep driving safely!

Our CDL practice tests:
Based on 2022 NE commercial driver's license manual
Full answers + detailed explanations
Perfect for first-time, renewal applicants
NE CDL Double/Triple Trailers Test format:
20 questions
16 correct answers to pass
80% passing score
List of questions
1.
What is the function of a stop light switch?
2.
The air compressor governor stops air from pumping when it reaches the "cut-out" level or around generally _________.
3.
To test the tractor protection valve, the engine needs to be:
4.
When coupling, correct trailer height should:
5.
To check if the converter dolly is securely coupled to the rear trailer you should:
6.
How often should alcohol containers be checked during cold weather?
7.
With the hand valve on, you should test the trailer brakes by opening the service line valve at the rear of the trailer. When you do this, you should hear:
8.
On older vehicles, a low air pressure warning signal comes on at what psi?
9.
You should check trailer height before connecting a converted dolly to a second or third trailer. The trailer height is right when:
10.
Automatic air tanks _______.
11.
What is likely to happen if the pintle hook is unlocked with the dolly still under the second trailer?
12.
The tractor protection valve should pop out when air pressure falls to:
13.
Which of the following is the most common reason brakes fade?
14.
When you need to apply more pressure to help your brakes work normally effectively, this means that your brakes are fading. Which of the following can cause fading brakes?
15.
What is a front brake limiting valve?
16.
It's important that a warning signal comes on before the air pressure in the tank falls below _______.
17.
If your vehicle has an alcohol evaporator, the evaporator's purpose is to _____.
18.
Vehicles with air brakes have pressure gauges connected to the _______.
19.
When the mechanical arm of a wig wag drops into your view that means the pressure in your system has dropped below what psi?
20.
Why should you not drive your vehicle if the air pressure does not build up quickly enough?