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Free Florida CDL Combination Vehicles Practice Test 2023

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 Florida 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 CDL practice test covers topics ranging from combination vehicle maintenance to safely driving a complex rig. Each question is based on the official Florida CDL Handbook 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 Florida CDL Combination Vehicles Practice Test today and walk out with your endorsement!

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 Combination Vehicles Test format:
20 questions
16 correct answers to pass
80% passing score
Study now
List of questions
1.
The likelihood of a fully loaded rig turning over compared to an empty trailer is:
2.
When inspecting the coupling area, all of the following are required, EXCEPT:
3.
When you open the emergency shut-off valve at the back of the last trailer after supplying air to trailer(s):
4.
For proper hose coupling, lines are often color-coded. Service lines are usually:
5.
A function of the tractor protection valve is:
6.
Supplied by the service line from the tractor, each trailer or dolly has its own:
7.
Compared to a straight truck or bus, there are ______ things to inspect in combination vehicles.
8.
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):
9.
When you get ready to back under a semitrailer you should line up:
10.
To make coupling and uncoupling a loaded trailer easier:
11.
Rearward amplification is a major cause of:
12.
When driving a combination vehicle with multiple trailers or dollies, all air shut-off valves except the last one at the back must be:
13.
Which of these statements is true?
14.
Your emergency air line breaks or gets pulled apart while you are driving. The loss of pressure will cause the:
15.
When should you use the hand valve to park a combination vehicle?
16.
When you notice that your trailer has lost traction and is going into a skid, you should:
17.
Crack-the-whip effect occurs when:
18.
The "rearward amplification" value means _______.
19.
Air and electrical lines from the tractor to the trailer should be:
20.
At the back of trailer used to tow other trailers are shut-off valves, also called:
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