Free New Mexico CDL Combination Vehicles Practice Test 2022

You have to pass the New Mexico 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 NM CDL 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 New Mexico 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 New Mexico CDL Combination Vehicles Practice Test today and walk out with your endorsement!

Our CDL practice tests:
Based on 2022 NM commercial driver's license manual
Full answers + detailed explanations
Perfect for first-time, renewal applicants
NM CDL Combination Vehicles Test format:
20 questions
16 correct answers to pass
80% passing score
List of questions
1.
Which of the following is part of the electrical and air lines coupling inspection?
2.
Semi-trailers made before 1975 that are equipped with air brakes:
3.
After supplying air to the trailer, how should you check for crossed air lines?
4.
The air lines on a combination vehicle are often colored to prevent them from mixing up. The emergency line is _____, the service line is _________.
5.
When you open the emergency shut-off valve at the back of the last trailer after supplying air to trailer(s):
6.
After you supply air to the trailer, make sure the air lines are not crossed and the trailer brakes are working. This is done by:
7.
To make coupling and uncoupling a loaded trailer easier:
8.
You are driving a combination vehicle when the trailer breaks away, pulling apart both air lines. You expect the trailer brakes to come on and:
9.
When driving a combination vehicle with multiple trailers or dollies, all air shut-off valves except the last one at the back must be:
10.
When uncoupling, the tractor should:
11.
Some of the points for inspecting the coupling include the following except:
12.
If the spring brakes are not released when you pushed the trailer air supply valve you should:
13.
To stop a trailer skid you should:
14.
Why should you be sure that the fifth wheel plate is greased as required?
15.
Driving with an empty trailer:
16.
You supply air to the trailer tanks by:
17.
What will happen if the air lines are crossed when you hook up to an old trailer?
18.
Triples combinations have a rearward amplification of:
19.
Glad hands are usually connecting which of these?
20.
While checking if the trailer is securely coupled to the tractor, the landing gears should be: