Free Connecticut 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 Connecticut CDL Practice test has the same questions as the real exam which is based on the CT 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 Connecticut 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 CT commercial driver's license manual
Full answers + detailed explanations
Perfect for first-time, renewal applicants
CT CDL Double/Triple Trailers Test format:
20 questions
16 correct answers to pass
80% passing score
List of questions
What is a modulating control valve?
To test the tractor protection valve, the engine needs to be:
The braking power of the spring brakes ______.
How often should alcohol containers be checked during cold weather?
With the hand valve on, you should test the trailer brakes by opening the service line valve at the rear of the trailer. When you do this, you should hear:
The increased likelihood of doubles and triples turning over is called:
Brake drums should not have cracks longer than what length?
During normal operation, the brakes of the double/triple trailer are controlled by:
When driving doubles or triples in adverse or slippery weather conditions, all of the following are true except:
If the dolly has spring brakes, release them with:
Air tanks need to be drained ______.
When inspecting the shut-off valves on doubles and triples, all of the following is true except:
Where is compressed air stored?
Why should you never leave your vehicle unattended without applying the parking brakes?
It's important that a warning signal comes on before the air pressure in the tank falls below _______.
What does the air compressor governor control?
Water and oil _______.
When performing the controlled braking method for an emergency stop, you are _________.
When uncoupling the rear trailer, which of these should be done first?
A converter dolly is used: