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.
How can you be sure you supplied air to a second trailer?
2.
When driving a truck with more than one trailer, which trailer should be first behind the truck?
3.
The most efficient way to drive down a long grade is to ________.
4.
When connecting converter dolly to the front trailer, support gear should be:
5.
When testing the coupling of the double trailer, the landing gears of the rear trailer should be:
6.
When you turn with the tractor/triple trailer combination, the wheels that off-track (cheat) the most are:
7.
You should check trailer height before connecting a converted dolly to a second or third trailer. The trailer height is right when:
8.
An air compressor can be cooled by _______.
9.
During a normal drive, the spring brakes are held back by _____.
10.
Why should you check the brake adjustment often?
11.
When the safety valve releases air this indicates ___________.
12.
Where is compressed air stored?
13.
When driving doubles or triples, for safer handling which trailer should be at the rear?
14.
When testing the trailer emergency brakes, charge the system, pull out the trailer air supply control, and:
15.
What is a front brake limiting valve?
16.
A safe speed on a curve for a smaller commercial vehicle:
17.
Why should you drain water from compressed air tanks?
18.
In dual-air systems the pressure should build to _______.
19.
If the malfunction lamp stays on after the bulb check, __________.
20.
A converter dolly is used: