CDL Practice Tests: Dominate The CDL Exam!

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Question #555 (1 of 10)

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Besides the obvious reason of knowing when you can legally drive or not, having a solid understanding of the logbook regulations will help a driver in what way?

  • All these are correct
  • The more you understand these rules, the more miles you'll be able to drive; which means more money in your pocket
  • It will have a positive impact on your paycheck
  • You can find little tricks and ways to maximize your legal driving and working hours

While you are not required to take a written exam over the Hours of Service (HOS) Regulations to obtain your CDL, the regulations are still very important to understand. Besides the obvious reason of knowing when you can legally drive or not, having a solid understanding of the regulations will have a positive impact on your paycheck. By being informed about the regulations, you can find little tricks and ways to maximize your legal driving and working hours. The more you understand these rules, the more miles you'll be able to drive; which means more money in your pocket. Put in a little work now and it will literally pay off for the rest of your career.

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Question #489 (2 of 10)

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Which of the following IS NOT the proper procedure when at a railroad crossing in a school bus?

  • If the gate comes down after you have started across, drive through it even if it means you will break the gate.
  • Cross the tracks in a low gear. Do not change gears while crossing.
  • When crossing a double set of tracks, stop before each set of tracks. Just because you cleared the first set doesn't mean a train isn't coming on the second set
  • At a multiple-track crossing, stop only before the first set of tracks. When you are sure no train is approaching on any track, proceed across all of the tracks until you have completely cleared them.
  • Check the crossing signals again before proceeding.
  • At a multiple-track crossing, stop only before the first set of tracks. When you are sure no train is approaching on any track, proceed across all of the tracks until you have completely cleared them.
  • Cross the tracks in a low gear. Do not change gears while crossing.
  • If the gate comes down after you have started across, drive through it even if it means you will break the gate.
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Question #324 (3 of 10)

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Which of the following statements is true about the trailer hand valve?

  • It works the trailer brakes. It's main function is to give the driver fine control over the trailer brakes for better maneuvering in slick conditions. It can also be used as a parking brake.
  • It works the trailer brakes. It should be used only to test the trailer brakes. Do not use it in driving because of the danger of making the trailer skid.
  • It works the trailer brakes. It can be used for testing the trailer brakes or for stopping the trailer under normal conditions to save wear on the tractor brakes
  • It works the trailer brakes. It serves mostly as a parking brake, especially when you're parked on a hill. It can be used under normal driving circumstances when only slight braking is needed.
The trailer hand valve (also called the trolley valve or Johnson bar) works the trailer brakes. The trailer hand valve should be used only to test the trailer brakes. Do not use it in driving because of the danger of making the trailer skid.
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Question #188 (4 of 10)

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It's important to recognize when you may be falling asleep. Which of the following are signs of falling asleep?

  • You have wandering, disconnected thoughts
  • You drift between lanes, tailgate or miss traffic signs
  • Your eyes close or go out of focus by themselves
  • All of these are common signs of falling asleep

Even if you are not aware of being drowsy, if you have a sleep debt you are still at risk. Here are a few ways to tell if you are about to fall asleep. If you experience any of these danger signs, take them as a warning that you could fall asleep without meaning to.

  • Your eyes close or go out of focus by themselves.
  • You have trouble keeping your head up.
  • You cannot stop yawning.
  • You have wandering, disconnected thoughts.
  • You do not remember driving the last few miles.
  • You drift between lanes, tailgate or miss traffic signs.
  • You keep jerking the truck back into the lane.
  • You have drifted off the road and narrowly missed crashing.
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Question #178 (5 of 10)

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If you have an engine fire or a fire in the trailer:

  • Get into a service station as quickly as possible to put it out
  • Make sure you have a type 3 fire extinguisher
  • Disconnect the tractor from the trailer and move it away from the trailer
  • Do not open the hood or the cargo doors

With an engine fire, turn off the engine as soon as you can. Do not open the hood if you can avoid it. Shoot foam through louvers, radiator or from the vehicle’s underside.

For a cargo fire in a van or box trailer, keep the doors shut, especially if your cargo contains hazardous materials. Opening the van doors will supply the fire with oxygen and can cause it to burn very fast.

You do not want to open the hood or the trailer doors if there is a fire. You will supply more oxygen to the fire. Keep the hood or the trailer doors closed.
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Question #356 (6 of 10)

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On all tank vehicles, the most important item to check for is:

  • Clogged vents
  • Leaks
  • Rust around the lip of the rim
  • Dirt around the outlet
On all tank vehicles, the most important item to check for is leaks.
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Question #404 (7 of 10)

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At a minimum, the emergency response information must include which of the following?

  • All these are correct
  • the basic description and technical name
  • immediate hazards to health
  • immediate precautions to be taken in the event of an accident or incident
At a minimum, the emergency response information must include:
  • the basic description and technical name
  • immediate hazards to health
  • risks of fire or explosion
  • immediate precautions to be taken in the event of an accident or incident
  • immediate methods for handling fires
  • initial methods for handling spills or leaks in the absence of fires
  • preliminary first aid measures
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Question #818 (8 of 10)

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What is the minimum aggregate WLL for a group of concrete pipe weighing 16,000 lbs?

  • 8,001 lbs
  • 7,999 lbs
  • 10,000 lbs
  • 5,000 lbs

General tiedown requirements

The aggregate working load limit of all tiedowns on any group of pipe must be more than half the total weight of all pipes in the group.

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Question #472 (9 of 10)

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When students have gotten off the bus and reach the edge of the roadway to cross the street, which of the following is NOT the correct procedure for them to follow?

  • Cross far enough in front of the school bus to be in your view.
  • Look for traffic in both directions, making sure the roadway is clear.
  • Walk to the left edge of the school bus, stop and look again for your signal to continue to cross the roadway.
  • Stay very close to the front of the bus as they cross to make sure they are protected

Upon your signal, the students should:

  • Cross far enough in front of the school bus to be in your view.
  • Walk to the left edge of the school bus, stop and look again for your signal to continue to cross the roadway.
  • Look for traffic in both directions, making sure roadway is clear.
  • Proceed across the roadway, continuing to look in all directions.
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Question #378 (10 of 10)

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Why do hazardous materials regulations exist?

  • Ensure Safe Drivers and Equipment
  • Communicate the Risk
  • Contain the Material
  • All these are true
Hazardous materials regulations exist to Contain the Material, Communicate the Risk, and Ensure Safe Drivers and Equipment.
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CDL Manual Sections To Choose From:

CDL Practice Tests

Our CDL practice tests are designed to help test your knowledge of the CDL Manual and sharpen your skills for taking the CDL permit and endorsement exams. They are not designed to teach you the knowledge necessary to pass the exams. Please do not try to memorize CDL practice tests in order to get your CDL. There's a better way.

Our High Road CDL Training Program is by far the easiest and most effective way to learn the materials necessary for passing your written CDL exams and preparing for a great start to your career. We strongly suggest using the High Road (which is 100% free!) to learn the CDL manual before using our CDL practice questions to test your knowledge.

How to Pass CDL Permit Test the First Time

The Class A CDL permit exam consists of a multiple choice test covering 20 different areas related to commercial driving. To prepare for this test, it is important to do practice tests beforehand. Knowing your personal study habits, getting enough rest, and eating a healthy breakfast will also set you up for success.

Tips For Passing the Commercial Driver's License (CDL) Permit Test

  • Practice Makes Perfect: The best way to both mentally and physically prepare for the written exam is to take practice tests. Start out with open-book tests and gradually work your way up to giving yourself a time limit. Finally, before the big day, take a practice exam as if it were the real thing without any help. This will give you a good indication of how well you understand the material.
  • Understand Instead of Memorize: Memorizing information can be helpful for the written exam, but the key to being fully prepared is to understand the material rather than just memorizing it. Understanding the material will allow you to answer questions correctly no matter how they are worded.
  • Real World Applications: When struggling to understand concepts, create real-world scenarios to make the information more relevant to your life. Doing this will make it easier to remember come test time.
  • Utilize Study Strategies: Utilizing study strategies such as flashcards, songs, rhymes, and phrases can help you remember the material.
  • Be Fresh and Alert: The night before the exam, get a good night's sleep and eat a filling breakfast on the morning of the exam. This will ensure you are fresh and alert to take your exam.
  • Begin Early and Space out Your Studying: It is important to give yourself ample time before the exam to get familiar with the material and get your mind ready for the big day. Consider taking a training course online or in-person, if it's required. Shop around for a course that works best for you.
  • By following these tips, you will be well prepared for your written CDL exam and on your way to a successful career.

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