Free New Mexico CDL Double/Triple Trailers Practice Test 2022

Do you know how to pair double or triple trailers? If you are planning to take the New Mexico CDL double/triple trailer endorsement test, make sure to know it! Our New Mexico CDL Manual has the same questions as the real exam which is based on the NM CDL Test. 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 New Mexico 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 NM commercial driver's license manual
Full answers + detailed explanations
Perfect for first-time, renewal applicants
NM CDL Double/Triple Trailers Test format:
20 questions
16 correct answers to pass
80% passing score
List of questions
1.
What is the purpose of a modulating control valve?
2.
What is the "cut-in" pressure for most air compressor governors?
3.
How often should alcohol containers be checked during cold weather?
4.
Automatic adjusters should ________.
5.
If the rear trailer does not have spring brakes, disconnecting the emergency line after charging will:
6.
What is likely to happen if the pintle hook is unlocked with the dolly still under the second trailer?
7.
A safety valve that releases air _______.
8.
Pushing the brake pedal down when the spring brakes are on could _________.
9.
Before you can supply air to the air tanks of a second trailer you need to:
10.
If you want to couple a second trailer to your combination vehicle, secure it by using:
11.
The tractor protection valve should pop out when air pressure falls to:
12.
When driving doubles or triples, for safer handling which trailer should be at the rear?
13.
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?
14.
Why should you never leave your vehicle unattended without applying the parking brakes?
15.
Which of the following is the most common reason brakes fade?
16.
When stab braking if you re-apply the brakes before the wheels start rolling, __________.
17.
In dual-air systems the pressure should build to _______.
18.
Vehicles with air brakes have pressure gauges connected to the _______.
19.
The last step to uncouple a converter dolly is:
20.
A converter dolly is used: