CDL General Knowledge Flashcards Set 2
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Questions and Answers

When looking ahead of your vehicle while driving, you should look:

  • Back and forth near and far. (correct)
  • As far as your peripheral vision can see.
  • To the right side of the road.

    • Escape ramps are:

  • Used to get out of a burning truck.
  • For combination vehicles only.
  • Used to stop runaway vehicles. (correct)

    • Which of these statements about cold-weather driving is true?

  • Windshield washer antifreeze should be used. (correct)
  • Exhaust system leaks are less dangerous in cold weather.
  • An engine cannot overheat when the weather is very cold.

    • When should you wear seat belts?

    <p>Anytime you are in a moving vehicle.</p> Signup and view all the answers

    Controlled braking:

    <p>Is used to keep a vehicle in a straight line when braking.</p> Signup and view all the answers

    How do you correct a rear-wheel acceleration skid?

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

    Which of these is NOT a good rule to follow when caring for injured at an accident scene?

    <p>Keep injured persons cool.</p> Signup and view all the answers

    For your safety, when setting out reflective triangles you should:

    <p>Hold the triangles between yourself and oncoming traffic.</p> Signup and view all the answers

    Heavy vehicles must sometimes travel more slowly than other traffic. Which of these is NOT a good rule to follow when you are driving such a vehicle?

    <p>Signal other drivers when it is safe for them to pass you.</p> Signup and view all the answers

    The most important reason for being alert to hazards is so:

    <p>You will have time to plan your escape if the hazard becomes an emergency.</p> Signup and view all the answers

    Hydroplaning:

    <p>Is more likely if tire pressure is low.</p> Signup and view all the answers

    If you are being tailgated, you should:

    <p>Increase your following distance.</p> Signup and view all the answers

    Which of these statements about overhead clearance is true?

    <p>The weight of a vehicle changes its height.</p> Signup and view all the answers

    Which of these is a good rule to follow when using a fire extinguisher?

    <p>Aim at the base of the fire.</p> Signup and view all the answers

    While driving, you see a small (1-foot square) cardboard box ahead in your lane. You should:

    <p>Steer around it without making a sudden or unsafe move.</p> Signup and view all the answers

    Is it legal to drive with one fourth of a vehicle's leaf springs broken or missing?

    <p>No</p> Signup and view all the answers

    Which of these can cause a fire?

    <p>All the answers are correct.</p> Signup and view all the answers

    Dry bulk tanks and hanging meat:

    <p>Are unstable loads.</p> Signup and view all the answers

    Which of the following should you NOT do in the event of hydraulic brake failure?

    <p>Shift up.</p> Signup and view all the answers

    To correct a drive-wheel braking skid you should:

    <p>Counter-steer.</p> Signup and view all the answers

    Which of the following statements about tank vehicles is true?

    <p>Special skills are required to haul liquid tanks.</p> Signup and view all the answers

    If you are driving a long distance, you should:

    <p>Stop often and take short breaks BEFORE you feel really drowsy and tired.</p> Signup and view all the answers

    Which of the following is true about a vehicle with a high center of gravity?

    <p>The cargo should be rearranged so that the heaviest parts of the cargo are under the lightest parts.</p> Signup and view all the answers

    To prevent skidding, you should:

    <p>Adjust to conditions while driving.</p> Signup and view all the answers

    You should back and turn toward the driver's side:

    <p>So you can watch the rear of the vehicle by looking out the side window.</p> Signup and view all the answers

    When you check the condition of visible parts during your pre-trip inspection, make sure that the __________ are secured against snagging, rubbing or wearing.

    <p>airlines and electrical wiring.</p> Signup and view all the answers

    With a BAC of __________, most people lose consciousness, and some die.

    <p>.40</p> Signup and view all the answers

    The distance your vehicle travels from the time your eyes see a hazard until your brain recognizes it is called __________ distance.

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

    Which of these items is checked in a pre-trip inspection?

    <p>All of these answers are correct.</p> Signup and view all the answers

    The 'reaction distance' is the distance traveled from the time:

    <p>The brain tells the foot to push the brake pedal to the time the foot actually pushes the pedal.</p> Signup and view all the answers

    When driving a commercial vehicle with a height over 13 feet, you should:

    <p>If you aren't sure a clearance is high enough, stop and make sure.</p> Signup and view all the answers

    The purpose of a baffle is to:

    <p>Control the load surge.</p> Signup and view all the answers

    The new BAC (Blood Alcohol Concentration) for commercial drivers to be considered intoxicated when driving a commercial vehicle is:

    <p>.04</p> Signup and view all the answers

    Truck escape ramps:

    <p>Are designed to protect vehicles from damage.</p> Signup and view all the answers

    Which of these can cause the vehicle to skid?

    <p>All of these can cause a vehicle to skid.</p> Signup and view all the answers

    Which of these describes how you should use the brake pedal on a steep downhill grade?

    <p>Release the brake when you are 5 MPH below your safe speed, then let your speed come back up to your safe speed and repeat braking again.</p> Signup and view all the answers

    An en-route inspection should include checking:

    <p>All of these should be checked.</p> Signup and view all the answers

    According to the driver's manual, why should you limit the use of your horn?

    <p>It can startle other drivers.</p> Signup and view all the answers

    The amount of liquid to load into a tank depends on:

    <p>All of these are correct.</p> Signup and view all the answers

    You should use your mirrors to check:

    <p>All of these are correct.</p> Signup and view all the answers

    Your brakes can get wet when you drive through a heavy rain. What can this cause when the brakes are applied?

    <p>All of these are correct.</p> Signup and view all the answers

    Which of these statements about using mirrors is true?

    <p>There are blind spots that your mirrors cannot show you.</p> Signup and view all the answers

    To avoid a crash, you had to drive onto the right shoulder. You are now driving at 40 MPH on the shoulder. How should you move back onto the pavement?

    <p>Come to a complete stop, if possible, before steering back onto the pavement.</p> Signup and view all the answers

    Which of these statements about managing space is true?

    <p>When the road is slippery, you should keep much more space in front of your vehicle.</p> Signup and view all the answers

    You are testing the stopping action of service brakes on a hydraulic system. Which of these can mean there is a problem?

    <p>All of these are correct.</p> Signup and view all the answers

    The distance that you should look ahead of your vehicle while driving amounts to about __________ at highway speed.

    <p>1/4 mile.</p> Signup and view all the answers

    Which of these statements about drinking alcohol is true?

    <p>All of these are correct.</p> Signup and view all the answers

    On which fires can you use the 'ABC' fire extinguisher?

    <p>All of these are correct.</p> Signup and view all the answers

    Which of these is a proper use of vehicle lights and flasher?

    <p>All of these are correct.</p> Signup and view all the answers

    Which of these tells you that cargo contains hazardous materials?

    <p>Both of these answers are correct.</p> Signup and view all the answers

    Study Notes

    Driving Techniques and Safety Measures

    • Look ahead by moving your focus back and forth between near and far objects to maintain awareness.
    • Use escape ramps to stop runaway vehicles; they are not limited to specific vehicle types.
    • Use windshield washer antifreeze in cold weather to ensure visibility.
    • Always wear seat belts in a moving vehicle, regardless of state laws.

    Vehicle Control and Handling

    • Controlled braking helps maintain a straight line while braking.
    • To correct a rear-wheel acceleration skid, cease acceleration.
    • Adjust driving practices to prevent skidding by responding to road conditions and avoiding harsh maneuvers.

    Accident Scene Protocols

    • When assisting injured persons, avoid interfering with qualified help unless invited.
    • In the event of tailgating, increase following distance rather than signaling the tailgater to pass.

    Vehicle Inspection and Maintenance

    • During pre-trip inspections, ensure airlines and electrical wiring are secure to prevent snagging and wear.
    • Check cargo securement, tire condition, and vehicle lights regularly.

    Environmental Awareness

    • Be aware that wet brakes can lead to decreased braking power and potential hazards.
    • Always confirm the height clearance for vehicles over 13 feet before proceeding under obstacles.

    Special Vehicle Types

    • Liquid tanks require special skills for handling due to their load characteristics and potential instability.
    • Recognize that the weight and loading of materials can affect vehicle performance and safety.

    Reaction to Hazards

    • Understand reaction distance, which is the time taken for your brain to respond to perceived hazards.
    • Plan for emergencies to ensure adequate time to maneuver and escape from dangerous situations.

    Use of Equipment and Tools

    • Use fire extinguishers by aiming at the base of the fire and maintain an appropriate distance for safety.
    • When using vehicle lights, ensure they are turned on in low visibility conditions and flash brake lights to signal hazards behind you.
    • Understanding regulations around Blood Alcohol Concentration (BAC) is crucial; a BAC of 0.04 is considered intoxicated for commercial drivers.
    • Avoid using your horn excessively as it can startle other drivers and create confusion.

    Managing Vehicle Dynamics

    • Vehicles with a high center of gravity are more prone to tipping; distribute cargo weight properly to enhance stability.
    • Maintain significant distance and visibility when maneuvering to avoid accidents, especially on slippery roads.

    Emergency Management

    • If brake failure occurs, use the parking brake and avoid shifting up as a response.
    • In the event of a skid, counter-steer to regain control of the vehicle.

    Hazardous Material Awareness

    • Recognize that the presence of hazardous materials is indicated by specific labels and placards on the vehicles and containers.

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    Description

    Test your knowledge with this set of flashcards designed specifically for CDL (Commercial Driver's License) general knowledge. Each card presents important driving concepts that are crucial for safe vehicle operation. Perfect for aspiring truck drivers preparing for their exams.

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