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.
The part of the combination vehicle most likely to turn over is the:
2.
What is the purpose of a front-brake limiting valve?
3.
When checking the low pressure warning signal, it should turn on before the pressure drops below what psi?
4.
You are driving a 100-foot truck with double trailers at 30 mph. The road is dry, and visibility is good. You should keep at least ______ seconds of space ahead of you.
5.
An application pressure gauge shows how much air you are applying to the brakes. Increased application pressure to maintain the same speed indicates that __________.
6.
You will test that the trailer service brakes are working by:
7.
When testing the coupling of the double trailer, the landing gears of the rear trailer should be:
8.
On large buses low pressure warning devices usually signal at ______.
9.
After coupling, the air shut-off valves at the back of the first trailer should be:
10.
A low pressure warning signal could be __________.
11.
To check if the converter dolly is securely coupled to the rear trailer you should:
12.
During a normal drive, the spring brakes are held back by _____.
13.
What distinguishes a wedge brake from other types of brakes?
14.
A danger of a malfunctioning tractor protection valve is:
15.
If your vehicle is not equipped with ABS, when you brake hard on a slippery surface what may occur?
16.
Typically, air storage tanks hold enough air to allow the brakes to be used _______ even if the compressor stops working.
17.
Why should the air hoses connected to the brake chambers be checked?
18.
When performing the controlled braking method for an emergency stop, you are _________.
19.
Which of the following factors explains why the total stopping distance for air brakes is longer than that for hydraulic brakes?
20.
Why should you not drive your vehicle if the air pressure does not build up quickly enough?