Free Florida CDL Double/Triple Trailers Practice Test 2023

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 Florida Double/Triple Trailers Practice Test has the same questions as the real exam which is based on the Florida CDL Handbook. 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 Florida CDL practice test an unlimited number of times to make sure you learn all the questions. Let’s try our CDL practice test today and pass your CDL endorsement exam! Good luck and keep driving safely!

Our CDL practice tests:
Based on 2021 FL commercial driver's license manual
Full answers + detailed explanations
Perfect for first-time, renewal applicants
FL CDL Double/Triple Trailers Test format:
20 questions
16 correct answers to pass
80% passing score
List of questions
What should you do when the low air pressure warning comes on?
When coupling, correct trailer height should:
The most efficient way to drive down a long grade is to ________.
How do air-operated disc brakes work?
A low pressure warning signal could be __________.
You should check trailer height before connecting a converted dolly to a second or third trailer. The trailer height is right when:
You want to hook your combination to a second trailer that has no spring brakes. To do this without wheel chocks you should:
The increased likelihood of doubles and triples turning over is called:
Brake drums should not have cracks longer than what length?
What is likely to happen if the pintle hook is unlocked with the dolly still under the second trailer?
Pushing the brake pedal down when the spring brakes are on could _________.
Before you can supply air to the air tanks of a second trailer you need to:
Vehicles without automatic air tank drains need to be checked manually to remove ________?
In tractors and straight trucks spring brakes will come on fully when the air pressure drops to what range?
When stab braking if you re-apply the brakes before the wheels start rolling, __________.
To apply the parking brakes, you should _______.
When you make an emergency stop, you should _________.
Why do some air brake systems have an alcohol evaporator?
When inspecting doubles and triples shut-off valves, which of the following is true?
If the malfunction lamp stays on after the bulb check, __________.