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- Updated for December 2024
- Based on 2024 LA commercial driver's license manual
Free LA CDL Pre-Trip Inspection Practice Exam 2024
Can you figure out if your tires are properly inflated without a gauge? Do you know how to visually check your brake system for potential problems? As a commercial driver in Louisiana, it is your duty to perform a pre-trip inspection at the start of each working day. Whether you transport hazardous materials in a tanker or 80 passengers in a tour bus, it is crucial that your vehicle is in working condition.
Aspiring drivers who want to obtain a commercial driver’s license (CDL) in Louisiana must pass a pre-trip inspection test, which evaluates their ability to inspect a commercial vehicle before a trip. Many consider the pre-trip inspection test the hardest part of the CDL skills test, not because the concepts are hard to understand, but because there are so many vehicle checks you have to memorize and perform from memory. Furthermore, you must get a perfect score on your tests of the braking system. Failing to perform even one of the braking system tests correctly constitutes automatic failure of the pre-trip inspection test. That’s why the learning process is essential in this situation. Students have plenty of resources available, from handbooks to local legislation and real-life examples. However, there is an effective method that allows you to learn as you practice, evaluate your knowledge and become familiar with the actual CDL written knowledge test.
Our practice tests consist of 20 questions based on the official 2024 CDL manual (https://driving-tests.org/louisiana/la-cdl-handbook/). To pass, you will need to provide a correct answer to 80% of the questions. Detailed feedback is provided after every question with a complete explanation that helps you better understand the subject and learn from your mistakes. Once you consistently obtain passing results on our practice tests, you can consider taking the official CDL knowledge test.
Some students let fate dictate the outcome of this exam. Even though they spend hours studying the official handbook, emotions of anxiety and nervousness hinder their performance during the test. But after practicing on our simulated exam, you’ll show up at the OMV office prepared as you’ll know what to expect. At that point, you will already be familiar with the format of this exam and the questions in it.
- Perfect for first-time and renewal CDL/CLP applicants, and those adding endorsements
- Triple-checked for accuracy
What you need to know
What to expect on the actual LA OMV exam
questions
correct answers to pass
passing score
List of questions (classic view)
- What structure supporting the fifth wheel skid plate should be checked for cracks or breaks?
- You pump the pedal three times and hold it down for five seconds, making sure that the pedal does not move. What are you inspecting?
- What transmits power from the transmission to the drive axle?
- What carries air or hydraulic fluid to the wheel brake assembly?
- ________ are gas or hydraulic devices that cushion the vehicle's ride and stabilize the vehicle.
- What is the sliding mechanism and locking device for tandem axles on trailers?
- What do you inspect to make sure that all are present and show no signs of looseness such as rust trails or shiny threads?
- What should you check to be sure it is solid, clear of objects, and securely bolted to the tractor frame?
- What maintains air pressure in the air brake system?
- Which tires should have a minimum tread depth of 4/32 inch?
- Which of the following can disengage the engine from the drivetrain?
- What transforms steering column action into wheel action?
- Make sure that the _________ are not cut, chafed, spliced, or worn, and not tangled, pinched, or dragged against tractor parts.
- You are looking for puddles on the ground and dripping fluids on the underside of the engine and transmission. What are you checking for?
- What should be fully engaged with no loose or missing pins in the slide mechanism of the sliding fifth wheel?
- To improve visibility during severe or stormy weather, __________ must be secure, undamaged, and operating smoothly and correctly.
- _________ should be clean with no dirt, illegal stickers, obstructions, or damage.
- _________ are the brackets, bolts, or bushings that are used to attach the spring or air bag to the axle and vehicle frame.
- If the wheel has a sight glass, check that the oil level is adequate. Otherwise, look for leaks around the
- What releases the fifth wheel locking jaws so the trailer can be coupled?
More resources
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