Free North Dakota CDL Combination Vehicles Practice Test 2022

You have to pass the North Dakota CDL combination vehicles endorsement to get ready for propelling your career with your license. You are looking for good source material for your coming CDL test? You are in the right place. Our ND CDL Practice Test is a great resource for beginners. The test is designed for you to have exactly the experience of the exam as you will be more familiar with both the test format and the subject. Our CDL practice test covers topics ranging from combination vehicle maintenance to safely driving a complex rig. Each question is based on the official North Dakota CDL Manual so you can be sure that the information in our test is accurate and relevant to your examination. In addition, each question has a detailed explanation so that it is very useful for you to learn from your mistakes. Preparing well before test day with questions and content that we cover. Start with our Free North Dakota CDL Combination Vehicles Practice Test today and walk out with your endorsement!

Our CDL practice tests:
Based on 2022 ND commercial driver's license manual
Full answers + detailed explanations
Perfect for first-time, renewal applicants
ND CDL Combination Vehicles Test format:
20 questions
16 correct answers to pass
80% passing score
List of questions
1.
For proper hose coupling, lines are often color-coded. Service lines are usually:
2.
How much space should be allowed between the upper and lower fifth wheel after coupling?
3.
The tractor protection valve will close, and the trailer emergency brakes will come on when there is a major leak in the _____ brake line.
4.
Compared to a straight truck or bus, there are ______ things to inspect in combination vehicles.
5.
Over 50% of truck driver accident deaths are caused by:
6.
When connecting the glad hands, press the two seals with the couplers together at what degree to each other?
7.
When you get ready to back under a semitrailer you should line up:
8.
Which part of the kingpin should the locking jaw close around?
9.
When backing under the trailer, air lines:
10.
If you have to enter another traffic lane to complete a wide turn, you should:
11.
What is the term for a commercial vehicle habit of swinging wide on turns?
12.
If the wheels of the trailer lock up and the trailer swings around, it could cause a:
13.
How much space should there be between the upper and lower fifth wheel?
14.
You are about to back your tractor under a semitrailer. The trailer is at the right height when the:
15.
When uncoupling the trailer, after you shut off the trailer air supply and lock the trailer brakes, you should:
16.
The safety latch for the fifth wheel locking lever must be _____ for a coupling to be complete.
17.
Air and electrical lines from the tractor to the trailer should be:
18.
After connecting the air lines but before backing under the trailer you should:
19.
When backing under the trailer, do all of the following except:
20.
Triples combinations have a rearward amplification of: