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Free Florida CDL General Knowledge Practice Test 2023

You are looking for actual practice for your coming CDL test? So you have come to the right place. Our FL General Knowledge Practice Test has the same questions as the real exam which is based on the Florida CDL Handbook. Our Florida CDL practice test covers most of the subject areas on the Florida General Knowledge Test such as shifting techniques, railroad crossing safety, drunk driving laws, and much more to make you become a safer driver. 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, don't worry, you can take this CDL practice test an unlimited number of times to make sure you learn all the questions. Our practice test will refine your driving knowledge so you can earn your CDL and start driving on the roads. Let’s get ready to take our practice test now!

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 General Knowledge Test format:
50 questions
40 correct answers to pass
80% passing score
Study now
List of questions
1.
You are checking your tires for a pre-trip inspection. Which of these statements is true?
2.
Perception distance is the distance your vehicle travels from the time:
3.
What should you do before driving in mountains?
4.
Weight transmitted to the ground by one axle or one set of axles called:
5.
When can your logbook be inspected?
6.
The BAC (Blood Alcohol Concentration) for commercial drivers to be considered intoxicated when driving a commercial vehicle is:
7.
Backing of the commercial vehicle is:
8.
When making a left turn, you should do which of the following?
9.
Whenever you double your speed, your vehicle has about how many times of destructive power if it crashes?
10.
When starting to move the truck, when is it acceptable to roll backwards?
11.
Using radar detectors in commercial vehicles:
12.
A tank vehicle endorsement is required to drive tank vehicles with a combined capacity of:
13.
In case of which fires can you use water to put it out?
14.
To prevent brake fade you should:
15.
What are the four basic weight limits?
16.
When shifting you should do all of the following EXCEPT:
17.
What factor has the greatest affect on how much weight is moved per hole in the tandem slider rail?
18.
If you are being tailgated, you should not:
19.
A car suddenly cuts in front of you, creating a hazard. Which of these actions should you NOT take?
20.
When starting in slippery conditions, you should:
21.
Every time you pull off the expressway to take a break, you use about how much time off your 11-hour driving limit?
22.
Which of these actions are NOT recommended for a left turn?
23.
If you need to leave the road in a traffic emergency, you should:
24.
When activated, retarders apply braking power when:
25.
If you are forced to leave the road in an emergency, all of these are good guidelines EXCEPT:
26.
When exiting or entering on a curved freeway ramp, you should:
27.
Which of the following is not a requirement of wood used as blocking or bracing?
28.
Aggregate Working Load Limit is defined as:
29.
What is the total WLL of two 20mm nylon ropes and one 5/8-inch wire rope?
30.
Using 7 miles per gallon as your fuel mileage and 8 pounds per gallon for the weight of fuel, how much total fuel weight will you burn off in 210 miles?
31.
A combined Tank vehicle & hazardous material endorsement will be designated with what letter on the CDL?
32.
Based on the following figures, how much fuel can you legally add while remaining legal on the drive axles?

Percentage of fuel weight to drive axles: 30%

Weight Before Fueling: Steer: 11,275, drives: 33,750, gross: 77,220

33.
After turning and getting up to speed:
34.
Combination vehicles must display license plates:
35.
Which of these is true about radiator shutters and the winter-front during winter driving?
36.
Some common causes of vehicle fires are spilled fuel, improper fueling, under-inflated tires, and:
37.
What is the best way to determine what percentage of the weight of fuel will go to each set of axles?
38.
Where in the trailer could you place cargo so that the weight applied to the trailer tandems is greater than the weight of the cargo itself?
39.
Generally, when steering in an emergency, which direction is your best option?
40.
You should always turn on your emergency four-way flashers when you:
41.
What is the presumed resistance to horizontal movement of friction mats?
42.
Some of the serious driving errors that can be caused by alcohol include:
43.
During the vehicle inspection, checking of ___ will NOT prevent a fire.
44.
The definition for "shortwood" identifies pieces that are no longer than:
45.
Indirect tiedowns create what direction of force?
46.
What is the minimum WLL of a tiedown used to secure logs?
47.
Some suggestions for reducing stress and aggressiveness while driving might include all of the following EXCEPT:
48.
Sliding your 5th wheel will redistribute the weight mainly between which two sets of axles?
49.
If you are able to exert 200 pounds of force against an object but you are only exerting 50 pounds of force to do so, what method are you applying to make this happen?
50.
If traveling slower than traffic flow on a grade, if legal you should:
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