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
The part of the combination vehicle most likely to turn over is the:
Air brakes take longer to stop than hydraulic brakes because _______.
The converter dolly air tank drain valve on coupled double/triple trailers should be:
Automatic adjusters should ________.
A front brake limiting valve ______.
If the rear trailer does not have spring brakes, disconnecting the emergency line after charging will:
Which of these statements about the handling of doubles and triples is true?
What is likely to happen if the pintle hook is unlocked with the dolly still under the second trailer?
A danger of a malfunctioning tractor protection valve is:
The tractor protection valve should pop out when air pressure falls to:
What distinguishes a wedge brake from other types of brakes?
If your vehicle is not equipped with ABS, when you brake hard on a slippery surface what may occur?
Why should the air hoses connected to the brake chambers be checked?
Where are the brake drums located?
You are doing a walk around inspection of a double or triple trailer rig. You should be sure the converter dolly air tank drain valves are _____ and the pintle hook is _________.
Why should you not drive your vehicle if the air pressure does not build up quickly enough?
You can test whether the trailer air system is charged by:
When the mechanical arm of a wig wag drops into your view that means the pressure in your system has dropped below what psi?
When inspecting doubles and triples shut-off valves, which of the following is true?
If the malfunction lamp stays on after the bulb check, __________.