- Updated for April 2025
- Based on 2025 NH commercial driver's license manual
Free NH CDL Pre-Trip Inspection Practice Exam 2025
Getting a New Hampshire Commercial Learner’s Permit (CLP) begins with studying basic commercial driving skills, including pre-trip inspections required by federal regulation 49 CFR § 396.13. Pre-trip inspections before driving are necessary for identifying any potential safety issues with your vehicle that could lead to accidents or breakdowns. Interstate 93 in Manchester is no place to have an accident or discover a mechanical malfunction. A firm understanding of the systems and components you should check, and how to identify existing safety issues, are crucial to fully developing your driving skills. By using a checklist of common problem sources, such as the tires, battery, brakes, and headlights, you can protect yourself from unexpected and costly incidents during your travels.
Until you spend some time training with your CLP, including becoming knowledgeable about pre-trip inspections, you will not be able to pass the skills test for a New Hampshire Commercial Driver’s License (CDL). Among the requirements for earning a CLP, you must answer 80% of the 20 questions correctly on the DMV CDL General Knowledge Test. Our New Hampshire DMV Pre-Trip Inspection Practice Test is a great resource to help you expertly exhibit your knowledge of this process and meet this requirement. The practice test mimics the actual testing environment, which increases your confidence in succeeding while reducing any anxiety you may feel. You’ll be on your way to next-level driving skills.
This CDL Pre-Trip Inspection Test provides the most comprehensive and authoritative information available to teach you about this important safety measure. If you find yourself needing some help to understand how to conduct a thorough pre-trip inspection, the practice test will provide you with clear instructions to get the job done. The practice test includes 20 multiple-choice questions to assess your knowledge of pre-trip inspections. If you get a question wrong, the practice test will provide a detailed explanation of the correct answer. You can rely on this information because it is from the most recent New Hampshire DMV CDL driver’s manual (New Hampshire CDL Handbook 2025) and is up to date as of April 2025. Study guides won’t provide this much detail and leave you resorting to guesswork. If you only want to memorize the answers to the questions, a study guide will help you. However, to thoroughly learn and retain the information needed to perform a pre-trip inspection, the practice test is the way to go.
Clark’s Bears are trained to entertain with antics and tricks, but you can get down to business with practice tests for other U.S. states and Washington D.C. at https://driving-tests.rg/academy/drivers-license.
- 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 NH DMV 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?
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