Free New York 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 York CDL Double/triple trailer endorsement test, make sure to know it! Our NY CDL Practice Test has the same questions as the real exam which is based on the NYC CDL Manual. 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 York 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 NY commercial driver's license manual
Full answers + detailed explanations
Perfect for first-time, renewal applicants
NY 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 "cut-in" pressure for most air compressor governors?
3.
What is the purpose of a front-brake limiting valve?
4.
When checking the low pressure warning signal, it should turn on before the pressure drops below what psi?
5.
How can you be sure you supplied air to a second trailer?
6.
Automatic slack adjusters ________.
7.
You will test that the trailer service brakes are working by:
8.
The braking power of the spring brakes ______.
9.
When uncoupling twin trailers you should park:
10.
The trailer air supply control should pop out when the air pressure falls into the pressure range of:
11.
What is likely to happen if the pintle hook is unlocked with the dolly still under the second trailer?
12.
A safety valve that releases air _______.
13.
Before you can supply air to the air tanks of a second trailer you need to:
14.
The tractor protection valve should pop out when air pressure falls to:
15.
When stab braking if you re-apply the brakes before the wheels start rolling, __________.
16.
If you have manual transmission _________.
17.
Which of the following factors explains why the total stopping distance for air brakes is longer than that for hydraulic brakes?
18.
Water and oil _______.
19.
In dual-air systems the pressure should build to _______.
20.
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 _________.