CDL Practice Tests: Dominate The CDL Exam!

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Question #859 (1 of 10)

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How many tiedowns are required for cargo that is prevented from forward movement?

  • It depends on the weight.
  • 2
  • 1 every 10ft, or part thereof.
  • 2 every 10ft, or part thereof.

When cargo is prevented from forward movement (for example, by the headboard, bulkhead, other cargo, or tiedown), secure the cargo according to the following requirements:

All Cargo:

1 tiedown for every 10 ft, or part thereof.

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Question #62 (2 of 10)

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When should you turn the engine "retarder" off (Commonly known as the "Jake Brake")

  • When your gross weight exceeds the braking pressure
  • Whenever the road is wet, icy, or snow-covered.
  • If two or more cylinders indicate overheating
  • At night or on narrow roads
Caution: When your drive wheels have poor traction, the retarder may cause them to skid. Therefore, you should turn the retarder off whenever the road is wet, icy, or snow-covered.
Engine braking only applies the braking force to the drive tires of the tractor, which can be dangerous on slick roads. Use the foot brake on slick roads.
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Question #110 (3 of 10)

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Crashes will double if drivers react how much slower?

  • 3 seconds
  • 5 seconds
  • 1/2 second
  • 2 seconds
If drivers react a half second slower because of distractions, crashes double.
This is an important and incredible stat. Think about that. With an additional delay of only 1/2 second of reaction time, the number of crashes will double.
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Question #844 (4 of 10)

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What is a rub rail?

  • A structure, device, or another substantial article placed against or around an article to prevent horizontal movement of the article.
  • A rail along the side of a vehicle that protects the side of the vehicle from impacts.
  • Part of the structure, fitting, or attachment on a vehicle or cargo to which a tiedown is attached.
  • The load carrying area of a truck, trailer, or intermodal container.
  • Rub Rail:

    A rail along the side of a vehicle that protects the side of the vehicle from impacts.

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    Question #817 (5 of 10)

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    When securing a load of lengthwise longwood logs weighing 42,500 lbs, what is the minimum aggregate WLL required for tiedowns? (rounded up to nearest lb)

    • 7,085 lbs.
    • 21,250 lbs
    • 10,000 lbs
    • 8,550 lbs
    Working load limit for longwood and shortwood loaded lengthwise

    The aggregate working load limit for all tiedowns must be no less than 1/6 the weight of the stack of logs.

    Note: This requirement is much less than the general requirement of an aggregate working load limit equal to 1/2 the weight of the load. This lowered requirement recognizes that the bunks/stakes help to prevent slippage.

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    Question #868 (6 of 10)

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    A row of metal coils loaded with eyes lengthwise requires how many direct tiedowns over each side-by-side row or coil?

    • It depends on the size of the coils.
    • One
    • Four
    • Two
    Step #2:

    Attach at least two direct tiedowns over each coil or side-by-side row.

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    Question #101 (7 of 10)

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    What is a good rule-of-thumb for the amount of space you must keep in front of you?

    • If you can read the license plate of the vehicle in front of you, you're too close
    • At speeds below 40 mph, you don't have to worry about it too much. At speeds above 40 mph it's important to keep at least 4 seconds of following distance.
    • At least one second for every 10 feet of vehicle length at speeds below 40 mph. At greater speeds, you must add one second for safety.
    • At least one second for every 30 feet of vehicle length at speeds below 50 mph. At greater speeds, you must add one second for safety.
    How much space should you keep in front of you? One good rule says you need at least one second for each 10 feet of vehicle length at speeds below 40 mph. At greater speeds, you must add one second for safety. For example, if you are driving a 40- foot vehicle, you should leave four seconds between you and the vehicle ahead. In a 60-foot rig, you will need six seconds. Over 40 mph, you would need five seconds for a 40-foot vehicle and seven seconds for a 60-foot vehicle.
    I believe the most important thing a professional driver can do for safety is to maintain a large following distance. Give yourself a ton of space in front of your vehicle and you'll have more time to react in an emergency.
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    Question #631 (8 of 10)

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    What are the two primary laws governing the placement of the tandems?

    • The overall gross weight of the vehicle and the maximum percentage of weight on trailer tandems
    • The maximum width of 8' 6" on Interstate Highways and the maximum trailer length law
    • The tire load rating of the drive axle tires and the minimum clearance law
    • The Bridge Formula and the maximum allowed length from Kingpin to trailer tandems.
    The two primary laws governing the placement of the tandems are the Bridge Formula and the maximum allowed length from Kingpin to trailer tandems.
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    Question #415 (9 of 10)

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    When loading explosives you must:

    • Disable cargo heaters
    • Make sure there are no sharp points that might damage cargo
    • Use a floor lining with Division 1.1, 1.2 or 1.3
    • All these are correct

    Class 1 (Explosives) Materials. Turn your engine off before loading or unloading any explosives. Then check the cargo space. You must:

    • Disable cargo heaters. Disconnect heater power sources and drain heater fuel tanks.
    • Make sure there are no sharp points that might damage cargo. Look for bolts, screws, nails, broken side panels and broken floorboards.
    • Use a floor lining with Division 1.1, 1.2 or 1.3. The floors must be tight, and the liner must be either non-metallic material or non-ferrous metal.
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    Question #433 (10 of 10)

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    What must you do with a placarded vehicle each time you stop?

    • Check the tires
    • Check in with federal emergency response personnel
    • Open the pressure relief valve
    • Fuel the vehicle

    Make sure your tires are properly inflated. Check placarded vehicles with dual tires at the start of each trip and when you park. You must check the tires each time you stop. The only acceptable way to check tire pressure is to use a tire pressure gauge.

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    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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