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
1.
What is the function of an "application pressure gauge"?
2.
What is a modulating control valve?
3.
What is the purpose of an antilock braking system (ABS)?
4.
When coupling, correct trailer height should:
5.
You will test that the trailer service brakes are working by:
6.
When connecting converter dolly to the front trailer, support gear should be:
7.
After coupling, the air shut-off valves at the back of the first trailer should be:
8.
The braking power of the spring brakes ______.
9.
On older vehicles, a low air pressure warning signal comes on at what psi?
10.
The increased likelihood of doubles and triples turning over is called:
11.
At 55 mph on dry pavement, the air brake lag distance is how many feet?
12.
A safety valve that releases air _______.
13.
If the air compressor has its own oil supply you should do what before driving?
14.
When testing the trailer emergency brakes, charge the system, pull out the trailer air supply control, and:
15.
When you need to apply more pressure to help your brakes work normally effectively, this means that your brakes are fading. Which of the following can cause fading brakes?
16.
Which of the following is the most common reason brakes fade?
17.
Why should air tanks be drained completely?
18.
To apply the parking brakes, you should _______.
19.
It's important that a warning signal comes on before the air pressure in the tank falls below _______.
20.
What affects the stopping distance for air brakes?