Free North Dakota CDL Double/Triple Trailers Practice Test 2023

Do you know how to pair double or triple trailers? If you are planning to take the North Dakota CDL double/triple trailer endorsement test, make sure to know it! Our ND CDL Practice Test has the same questions as the real exam which is based on the North Dakota 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 North Dakota 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 2021 ND commercial driver's license manual
Full answers + detailed explanations
Perfect for first-time, renewal applicants
ND CDL Double/Triple Trailers Test format:
20 questions
16 correct answers to pass
80% passing score
List of questions
The part of the combination vehicle most likely to turn over is the:
What is the purpose of an antilock braking system (ABS)?
What is the function of a stop light switch?
What is proper braking technique for drivers travelling down a hill or any other downgrade?
The braking power of the spring brakes ______.
A low pressure warning signal could be __________.
Brake linings should not be _______.
An air brake is made up of which of the following braking systems?
If the dolly has spring brakes, release them with:
What is likely to happen if the pintle hook is unlocked with the dolly still under the second trailer?
You are visually checking the coupling of a converter dolly to the rear trailer. How much space should be between the upper and lower fifth wheel?
If the air compressor has its own oil supply you should do what before driving?
A danger of a malfunctioning tractor protection valve is:
Letting up on the brake pedal _______.
Vehicles without automatic air tank drains need to be checked manually to remove ________?
A safe speed on a curve for a smaller commercial vehicle:
When you make an emergency stop, you should _________.
When performing the controlled braking method for an emergency stop, you are _________.
Why is it so crucial to drain your vehicle's air tanks at the end of each day of driving?
To position the converter dolly over short distances you can: