North Carolina CDL Permit Practice Test #1
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Questions and Answers

Where should you place your warning devices if you must stop on a one-way road or divided highway?

10 feet, 100 feet, and 200 feet toward approaching traffic.

You should inspect wheel bearing seals for?

Leaks.

If you double your speed, how much more distance will it take to brake to a stop?

  • Three times as much
  • Five times as much
  • Four times as much (correct)
  • Two times as much

    • How many tie-downs are required for a 20-foot load?

    <p>2</p> Signup and view all the answers

    Which of these is NOT a part of the basic method for shifting up?

    <p>Turning toward the driver's side</p> Signup and view all the answers

    Letting the air out of hot tires is advisable.

    <p>False</p> Signup and view all the answers

    If you feel drowsy while driving, what should you do?

    <p>Pull off the road and get some sleep.</p> Signup and view all the answers

    Hazardous materials placards are?

    <p>Signs on the outside of the vehicle that identify the hazard class of the cargo.</p> Signup and view all the answers

    Which of the following should you NOT do if you experience a tire failure?

    <p>Brake hard</p> Signup and view all the answers

    How can you determine if your vehicle is equipped with an antilock braking system (ABS)?

    <p>Most vehicles with ABS have a light on the instrumental panel that will light up briefly when the vehicle is started.</p> Signup and view all the answers

    Which of the following convictions may cause you to be disqualified from driving a commercial motor vehicle (CMV)?

    <p>Driving your personal vehicle while impaired by alcohol (DWI)</p> Signup and view all the answers

    When you start to drive down a steep downgrade, which of the following should influence your speed?

    <p>Consider steepness, length, road and weather conditions, and the weight of your vehicle and its cargo.</p> Signup and view all the answers

    Why should you cover cargo?

    <p>To protect other people and the cargo itself, and to comply with regulations.</p> Signup and view all the answers

    If you are convicted of any traffic violation except parking, you must notify your employer within _____ days.

    <p>30</p> Signup and view all the answers

    In which of the following two situations should you downshift?

    <p>Both A and B</p> Signup and view all the answers

    Which of the following might get stuck at a raised railroad crossing?

    <p>Low-slung units (car carriers, lowboys, moving vans, etc.) and single-axle tractors pulling a long trailer.</p> Signup and view all the answers

    Federal law requires employers to test their commercial drivers for drugs and alcohol. If you test positive for drugs, your employer must report it to?

    <p>the Division of Motor Vehicles.</p> Signup and view all the answers

    The most important hand signal that you and a helper should agree on is?

    <p>Stop.</p> Signup and view all the answers

    If you are confronted by an aggressive driver, what should you do?

    <p>Do not give the person the confrontation that they seek. Seek police, peace, and safety.</p> Signup and view all the answers

    Which is NOT one of the four basic skills that operating a motor vehicle requires?

    <p>First-aid certification</p> Signup and view all the answers

    Do empty trucks have the best braking?

    <p>False</p> Signup and view all the answers

    What will help a drunk driver sober up?

    <p>Time.</p> Signup and view all the answers

    If the engine is not overheated, is it completely safe to remove the radiator cap?

    <p>False</p> Signup and view all the answers

    How long does it take a typical tractor-trailer to clear a double railroad track?

    <p>More than 15 seconds.</p> Signup and view all the answers

    It has just reached freezing. Which of the following areas may be slippery?

    <p>Shaded areas and bridges.</p> Signup and view all the answers

    Always try to back toward the driver's side because?

    <p>You can see better watching the vehicle rear out the side window.</p> Signup and view all the answers

    How often should you stop to check your cargo while on the road?

    <p>Within the first 50 miles of your trip and then every 3 hours or 150 miles.</p> Signup and view all the answers

    On which of the following types of fires should you NOT use a B:C fire extinguisher?

    <p>Wood</p> Signup and view all the answers

    Why should you use a helper when you are backing?

    <p>Because you have blind spots.</p> Signup and view all the answers

    If you have more than one driver's license, what happens?

    <p>You will be fined at least $250 if it's your first offense</p> Signup and view all the answers

    What is the definition of a hazard?

    <p>A road user or road condition that presents a possible danger.</p> Signup and view all the answers

    What is a common cause of flat tires?

    <p>Under-inflated tires.</p> Signup and view all the answers

    The minimum tire tread depth in front tires is?

    <p>4/32 inch.</p> Signup and view all the answers

    Which of the following statements about an escape ramp is FALSE?

    <p>It is useful if you are traveling too fast</p> Signup and view all the answers

    What might happen if you swing wide to the left before you turn right?

    <p>Someone might try to pass you on your right.</p> Signup and view all the answers

    Signs of distracted drivers include?

    <p>Drivers having conversations with passengers.</p> Signup and view all the answers

    Total stopping distance equals?

    <p>Perception distance + reaction distance + braking distance.</p> Signup and view all the answers

    What is the best way to figure out how many seconds of following distance you have?

    <p>Wait until a vehicle passes a shadow or landmark, and count the seconds until you pass it.</p> Signup and view all the answers

    Which of the following is a key steering component?

    <p>Gear box</p> Signup and view all the answers

    To maintain alertness during the trip, drivers should?

    <p>Avoid medications that cause drowsiness, schedule your trips for the daytime hours, get 8-9 hours of sleep beforehand.</p> Signup and view all the answers

    While driving at night, which light should you use as often as you can?

    <p>High beams</p> Signup and view all the answers

    What can you do at an accident scene to help avoid another accident?

    <p>Set out warning devices to keep other vehicles from running into the accident scene.</p> Signup and view all the answers

    You don't want to be a distracted driver, so you?

    <p>Avoid using your cellphone until you reach your destination.</p> Signup and view all the answers

    How can you start moving without rolling backward?

    <p>Set the parking brake whenever necessary, apply the trailer brake hand valve, engage the clutch before removing your foot from the brake.</p> Signup and view all the answers

    If you are traveling at 55 mph in a 30-foot vehicle, you should leave how many seconds of following distance?

    <p>4 seconds.</p> Signup and view all the answers

    Which of the following is most likely to cause a vehicle fire?

    <p>All of the above</p> Signup and view all the answers

    You should put the starter switch key into your pocket while you perform the pre-trip inspection because?

    <p>Someone could start and move the truck.</p> Signup and view all the answers

    Before transporting a huge load, you must check?

    <p>That you don't exceed gross weight or axle weight limits.</p> Signup and view all the answers

    To transport cargo safely, which of the following are you NOT responsible for?

    <p>Ensuring the freshness of sealed cargo</p> Signup and view all the answers

    An antilock braking system (ABS) will?

    <p>Keep your wheels from locking when you brake hard.</p> Signup and view all the answers

    Study Notes

    General Safety and Regulations

    • Warning devices should be placed 10, 100, and 200 feet from approaching traffic when stopping on a one-way road or divided highway.
    • Inspect wheel bearing seals for leaks to ensure vehicle safety.
    • A tire failure should not be treated by braking hard; instead, maintain control and gradually slow down.
    • Hazardous materials placards notify others of the cargo’s hazard class.
    • Federal law mandates drug and alcohol testing for commercial drivers, with positive results reported to the Division of Motor Vehicles.

    Vehicle Operation and Control

    • Doubling your speed increases stopping distance by four times.
    • A 20-foot load requires at least 2 tie-downs for secure transport.
    • Downshifting is recommended when starting downhill or entering a curve for better control.
    • Empty trucks do not have optimal braking distance; loaded trucks provide better stability.

    Driving Conditions and Emergency Situations

    • Always back towards the driver’s side for better visibility.
    • Visibility at night is improved by using high beams when safe.
    • In case of drowsiness while driving, pull off the road to rest.
    • If an aggressive driver confronts you, seek safety rather than engaging.

    Cargo and Load Management

    • Covering cargo keeps it safe and complies with state regulations.
    • Regularly check cargo within the first 50 miles, then every three hours or after breaks.
    • Ensure loads do not exceed gross weight or axle weight limits before transport.

    Vehicle Maintenance and Safety Features

    • Common causes of flat tires include under-inflation. Minimum tread depth for front tires is 4/32 inch.
    • An antilock braking system (ABS) prevents wheels from locking during hard braking, enhancing vehicle safety.
    • For safe operations, keep the starter switch key with you during pre-trip inspections to prevent unauthorized use.

    Following Distance and Reaction Time

    • Maintain a four-second following distance at 55 mph in a 30-foot vehicle.
    • Total stopping distance is the sum of perception distance, reaction distance, and braking distance.

    Fire and Accident Prevention

    • Common vehicle fire causes include shore circuits and loose connections; take precautions.
    • Set up warning devices at accident scenes to prevent additional accidents.

    Other Important Points

    • When temperature drops to freezing, shaded areas and bridges freeze first, creating hazardous conditions.
    • Avoid medications that induce drowsiness, and plan trips to be completed during daylight.
    • Utilize visual cues, like shadows or landmarks, to determine following distance effectively.
    • Notify your employer of any traffic violation, excluding parking, within 30 days.
    • Having more than one driver's license incurs a minimum $250 fine for the first offense.

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    Description

    Prepare for the North Carolina CDL permit with this practice test. This set of flashcards covers important driving regulations and safety measures necessary for passing the CDL exam. Test your knowledge on various scenarios, including vehicle inspections and safe stopping procedures.

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