Free Ohio CDL Double/Triple Trailers Practice Test 2023

Do you know how to pair double or triple trailers? If you are planning to take the Ohio CDL double/triple trailer endorsement test, make sure to know it! Our Ohio CDL Practice Test has the same questions as the real exam which is based on the Ohio 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 Ohio 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 2021 OH commercial driver's license manual
Full answers + detailed explanations
Perfect for first-time, renewal applicants
OH CDL Double/Triple Trailers Test format:
20 questions
16 correct answers to pass
80% passing score
List of questions
What is the purpose of a modulating control valve?
When connecting converter dolly to the front trailer, support gear should be:
How often should alcohol containers be checked during cold weather?
An air brake is made up of which of the following braking systems?
The increased likelihood of doubles and triples turning over is called:
Which of these statements about the handling of doubles and triples is true?
If the rear trailer does not have spring brakes, disconnecting the emergency line after charging will:
The trailer air supply control should pop out when the air pressure falls into the pressure range of:
If the dolly has spring brakes, release them with:
What is likely to happen if the pintle hook is unlocked with the dolly still under the second trailer?
You are driving with double trailers and must use your brakes to avoid a crash. For emergency braking you should:
What distinguishes a wedge brake from other types of brakes?
If the air compressor has its own oil supply you should do what before driving?
A danger of a malfunctioning tractor protection valve is:
Why should the air hoses connected to the brake chambers be checked?
To apply the parking brakes, you should _______.
Where are the brake drums located?
If the malfunction lamp stays on after the bulb check, __________.
When the mechanical arm of a wig wag drops into your view that means the pressure in your system has dropped below what psi?
A visual inspection after coupling should show that: