Free Oklahoma CDL Double/Triple Trailers Practice Test 2022

Do you know how to pair double or triple trailers? If you are planning to take the CDL double/triple trailer endorsement test, make sure to know it! Our Oklahoma CDL Practice Test has the same questions as the real exam which is based on the Oklahoma 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 Oklahoma 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 OK commercial driver's license manual
Full answers + detailed explanations
Perfect for first-time, renewal applicants
OK CDL Double/Triple Trailers Test format:
20 questions
16 correct answers to pass
80% passing score
List of questions
1.
What is the "cut-in" pressure for most air compressor governors?
2.
Which is true when checking air flow to all trailers?
3.
The braking power of the spring brakes ______.
4.
How often should alcohol containers be checked during cold weather?
5.
A low pressure warning signal could be __________.
6.
Brake linings should not be _______.
7.
Which of these statements about the handling of doubles and triples is true?
8.
During normal operation, the brakes of the double/triple trailer are controlled by:
9.
The most common type of foundation brake is?
10.
What is likely to happen if the pintle hook is unlocked with the dolly still under the second trailer?
11.
If you want to couple a second trailer to your combination vehicle, secure it by using:
12.
A danger of a malfunctioning tractor protection valve is:
13.
After coupling the converter dolly to the first trailer, the pintle hook should be:
14.
If your vehicle is not equipped with ABS, when you brake hard on a slippery surface what may occur?
15.
What does the air compressor governor control?
16.
Why do some air brake systems have an alcohol evaporator?
17.
Why should you not drive your vehicle if the air pressure does not build up quickly enough?
18.
When the mechanical arm of a wig wag drops into your view that means the pressure in your system has dropped below what psi?
19.
Drivers of doubles and triples must take into greater account:
20.
The last step to uncouple a converter dolly is: