Free Connecticut CDL Combination Vehicles Practice Test 2022

You have to pass the CDL combination vehicles endorsement to get ready for propelling your career with your license. You are looking for good source material for your coming CDL test? You are in the right place. Our CDL practice test is a great resource for beginners. The test is designed for you to have exactly the experience of the exam as you will be more familiar with both the test format and the subject. The Connecticut CDL Combination Vehicles Practice Test covers topics ranging from combination vehicle maintenance to safely driving a complex rig. Each question is based on the official CT CDL manual so you can be sure that the information in our test is accurate and relevant to your examination. In addition, each question has a detailed explanation so that it is very useful for you to learn from your mistakes. Preparing well before test day with questions and content that we cover. Start with our Free Connecticut CDL Practice test today and walk out with your endorsement!

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 Combination Vehicles Test format:
20 questions
16 correct answers to pass
80% passing score
List of questions
1.
Air brake equipped trailers made before 1975:
2.
To prevent moisture from entering the electrical cable when disconnected:
3.
The higher the center of gravity of your truck, the:
4.
You have coupled with a semitrailer, where should you put the iron trailer supports before driving away?
5.
Compared to a straight truck or bus, there are ______ things to inspect in combination vehicles.
6.
The trailer service brakes should be tested with the hand control, and controlled during normal operation by:
7.
There are two things that a driver can do to prevent a rollover. They are: (1) keep the cargo as close to the ground as possible and (2):
8.
To help prevent rollover, keep the center of gravity of the load as low as possible, and:
9.
Before coupling or uncoupling, the trailer wheels should always be:
10.
The emergency air line controls the emergency brakes on combination vehicles, and:
11.
Improperly greased or lubricated fifth wheels will cause:
12.
If the wheels of the trailer lock up and the trailer swings around, it could cause a:
13.
There are two things that a driver can do to prevent a rollover: They are: (1) go slow around turns, and (2):
14.
In normal driving, some drivers use the hand valve before the brake pedal to prevent a jack-knife. Which of the statements is true?
15.
All of these are part of the final 3 steps of uncoupling the trailer except:
16.
The fifth wheel locking lever is not locked after the jaws close around the kingpin. This means that:
17.
When driving a set of doubles, it is necessary to close which shut-off valve in the last trailer:
18.
Before getting out to inspect the coupling, secure the vehicle by putting transmission in neutral, shutting off engine and taking the key with you, and:
19.
Glad hands are usually connecting which of these?
20.
Why should you lock the tractor glad hands to each other (or dummy couplers) when you are not towing a trailer?