Free Louisiana 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 LA General Knowledge Practice Test has the same questions as the real exam which is based on the Louisiana CDL Book. Our CDL practice test pack covers most of the subject areas on the Louisiana 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 practice test an unlimited number of times to make sure you learn all the questions. Our Louisiana CDL Practice Test will refine your driving knowledge so you can earn your CDL and start driving on the roads. Let’s take our practice test now!

Our CDL practice tests:
Based on 2021 LA commercial driver's license manual
Full answers + detailed explanations
Perfect for first-time, renewal applicants
LA CDL General Knowledge Test format:
50 questions
40 correct answers to pass
80% passing score
List of questions
Which of these is NOT a good thing to do when driving on slippery roads?
You must drive through deep or flowing water, you should not:
In case of low friction between the cargo and deck, which of these is not a solution?
When starting a bus on a level surface with good traction there is often no need for:
"The driver’s manual suggests several things to do when you pass a vehicle. Which of these is NOT one of them?"
After taking 10 consecutive hours off duty, a driver begins to work at 8:00 a.m. The driver may operate a commercial motor vehicle until what time?
There are three maximum limits you must follow at all times. Those limits are:
You are driving a vehicle that could be driven safely at 55 mph on an open road. But traffic is heavy and other vehicles drive at the speed of 35 mph, though the speed limit is 55 mph. The safest speed for your vehicle is more likely to be:
Using radar detectors in commercial vehicles:
The maximum weight limit on a single axle is:
You should be prepared to the examiner:
In case of tire failure, you should do all of the following except:
How many knots are acceptable in a properly working tiedown?
Touching or crossing over a boundary line during the driving exam is considered a(n):
The Aggregate Working Load Limit should, at minimum, be:
The responsibility for repairing items noted on the pre-trip report that affect safety belongs to:
When is it acceptable to use amphetamines to help you stay awake while driving?
If you are being tailgated, you should not:
When securing paper rolls on a flatbed or curtainside vehicle, it is acceptable to stack rolls with eyes vertical:
Any operator who refuses to submit to drug or alcohol testing, or who tests in excess of the legal limits, will be disqualified for a minimum of:
Circumstances that would make wheels and rims unsafe include the following except:
What affect will sliding the trailer tandems forward have on the weight distribution?
Your brakes can get wet when driving through heavy rain. What can happen if the brakes are applied?
Which violations have occurred in the below example?
Day 1

Day 2
Every time you pull off the expressway to take a break, you use about how much time off your 11-hour driving limit?
A placarded vehicle must have how many identical placards?
The best way to take a curve is to slow to a safe speed before entering the curve, then __________ as you go through it.
If a CDL-holder's privilege to drive non-CMV's is revoked or suspended more than once for alcohol, felony, or controlled substance violations, the CDL will be disqualified for:
A 30 minute break violation occurs on the below example. What day and time does the violation occur?
Day 1

Day 2
What is the WLL of a 1/2-inch Grade 70 tiedown?
What is a pallet used for?
An ABS light that comes on or stays on while driving indicates:
When your vehicle is out of gear for more than its length, it will be scored as:
To correct a drive wheel braking skid, you should:
Specific parts of the CDL driving and skills exam include which of the following?
The basic control skills exam allows for a maximum of how many points scored?
Which of these items is NOT checked for a pre-trip inspection?
What does emergency braking mean?
Requirements for securing heavy vehicles, equipment, and machinery apply at what weight?
When driving with ABS, remember:
Using the following numbers, what would be the final result if you moved the 5th wheel back one hole?

steer axle: 12,300 pounds
drive axles: 33,100 pounds
Weight transfer: 500 pounds per hole
What violation occurs at 2:00 p.m. on this example?
A device placed on the exposed edge of an article to distribute tiedown forces over a larger area of cargo than the tiedown itself, to protect the tie-down and/or cargo from damage, and to allow the tiedown to slide freely when being tensioned is a:
Sliding your trailer tandems toward the front or back of the vehicle will primarily change the weight distribution between which sets of axles?
Which of these statements about staying alert to drive is true?
What is the presumed resistance to horizontal movement of friction mats?
Requirements for securing two stacks of shortwood loaded side-by-side include:
You receive a scale ticket and your drive axles are 35,400 and your trailer tandems are 31,100. Based upon the two most common tandem slider rail hole spacings, what is the minimum number of holes you would have to slide the tandems to get the weight legal, and in which direction?
Specifically prohibited in the testing area are cellphones and:
What violations occurred on the below example?