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 an antilock braking system (ABS)?
2.
Air brakes take longer to stop than hydraulic brakes because _______.
3.
You should check trailer height before connecting a converted dolly to a second or third trailer. The trailer height is right when:
4.
Brake linings should not be _______.
5.
When uncoupling twin trailers you should park:
6.
Automatic air tanks _______.
7.
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?
8.
The most common type of foundation brake is?
9.
An air compressor can be cooled by _______.
10.
You are driving with double trailers and must use your brakes to avoid a crash. For emergency braking you should:
11.
Letting up on the brake pedal _______.
12.
Vehicles without automatic air tank drains need to be checked manually to remove ________?
13.
When testing the trailer emergency brakes, charge the system, pull out the trailer air supply control, and:
14.
Why should air tanks be drained completely?
15.
Why do some air brake systems have an alcohol evaporator?
16.
Why should you never push the brake pedal down when the spring brakes are on?
17.
What affects the stopping distance for air brakes?
18.
You are doing a walk around inspection of a double or triple trailer rig. You should be sure the converter dolly air tank drain valves are _____ and the pintle hook is _________.
19.
If the malfunction lamp stays on after the bulb check, __________.
20.
The pintle hook should never be unlocked when: