Disc Brakes Trivia Quiz

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  • 1/16 Questions

    Compared to a standard caliper, retracting the caliper piston on an integrated parking brake system is different.

    • True
    • False
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About This Quiz

How well do you know about the disc brakes? Here we have the disc brakes trivia quiz for you. Disc brakes are very important parts of vehicles. The quiz has all types of questions that are related to disc brakes and their functionality. So, how well do you understand? Well, we will see the score you have after finishing this quiz. We wish you good luck and also enjoy your time playing this. Let's go now!

Disc Brakes Trivia Quiz - Quiz

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  • 2. 

    When is the rotor usually removed?

    • When it is under the specified minimum thickness

    • It would be under the minimum thickness after machining.

    • Both A and B

    • None of the above

    Correct Answer
    A. Both A and B
    Explanation
    The rotor is usually removed when it is under the specified minimum thickness. This can happen either before or after machining. Therefore, both options A and B are correct.

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  • 3. 

    Which of the following do the dust shields help control in a disc brake system?

    • Dust

    • Water

    • Road debris

    • All of the above

    Correct Answer
    A. All of the above
    Explanation
    The dust shields in a disc brake system help control dust, water, and road debris. Dust shields are designed to prevent these elements from entering the brake system and causing damage or reducing the braking efficiency. Dust can accumulate on the brake pads and discs, affecting their performance. Water can cause corrosion and reduce braking power. Road debris, such as rocks or gravel, can get lodged between the brake pads and discs, leading to uneven wear and decreased braking effectiveness. Therefore, the dust shields play a crucial role in controlling all of these factors to maintain optimal brake performance.

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  • 4. 

    A typical disc rotor is

    • Hub-style

    • Hubless-style

    • Both A and B

    • None of the above

    Correct Answer
    A. Both A and B
    Explanation
    A typical disc rotor can be either hub-style or hubless-style. Hub-style disc rotors have a central hub that connects the rotor to the wheel, while hubless-style disc rotors do not have a central hub and are directly attached to the wheel. Therefore, the correct answer is "Both A and B" as both hub-style and hubless-style disc rotors are commonly used.

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  • 5. 

    Which can be the cause of brake pedal pulsation?

    • Warped rotors

    • Anti-lock braking system operation

    • Both A and B

    • None of the above

    Correct Answer
    A. Both A and B
    Explanation
    Both A and B can be the cause of brake pedal pulsation. Warped rotors can cause the brake pedal to pulsate as the uneven surface of the rotor makes contact with the brake pads. This can result in a pulsating sensation in the brake pedal when braking. Additionally, the anti-lock braking system (ABS) operation can also cause the brake pedal to pulsate. The ABS is designed to prevent the wheels from locking up during braking, and if it is activated, it can cause the brake pedal to pulsate as it modulates the brake pressure to each wheel.

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  • 6. 

    How can disc brake rotors that have holes or slots machined into their surface help?

    • Dissipate heat more quickly.

    • Remove water more quickly

    • Both A and B

    • None of the above

    Correct Answer
    A. Both A and B
    Explanation
    Disc brake rotors with holes or slots machined into their surface can help dissipate heat more quickly and remove water more quickly. The holes or slots increase the surface area of the rotor, allowing for better heat dissipation. Additionally, they help to channel water away from the rotor, preventing it from interfering with the braking performance. Therefore, both options A and B are correct.

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  • 7. 

    Tech A says that a wheel stud that shows signs of cross-threaded lug nuts should be rethreaded with a die and put back in service. Tech B says that a wheel stud that shows signs of cross-threaded lug nuts should be replaced. Who is correct?

    • Tech A

    • Tech B

    • Both Techs A and B

    • Neither Tech A nor B

    Correct Answer
    A. Tech B
    Explanation
    Tech B is correct. When a wheel stud shows signs of cross-threaded lug nuts, it is important to replace the wheel stud rather than rethreading it with a die. Cross-threading can cause damage to the threads of the stud, making it unsafe to continue using. Replacing the wheel stud ensures that the lug nuts can be properly tightened and secured, maintaining the safety and integrity of the wheel assembly.

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  • 8. 

    Once all of the lug nuts have been torqued, go around them again, this time in a _______________, to ensure that you did not miss any in the previous pattern.

    • Star pattern

    • Circular pattern

    • Alternating pattern

    • None of the above

    Correct Answer
    A. Star pattern
    Explanation
    Always use a star pattern to ensure the wheel is uniformly tightened to the hub.

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  • 9. 

    Tech A says that if the new brake pads are burnished, it will result in longer brake pad life. Tech B says the opposite. Who is correct?

    • Tech A

    • Tech B

    • Both Techs A and B

    • Neither Tech A nor B

    Correct Answer
    A. Tech A
    Explanation
    Tech A is correct because burnishing the new brake pads helps to remove any glaze or residue on the surface, allowing for better contact between the brake pad and the rotor. This improves the braking performance and can result in longer brake pad life. Tech B, who says the opposite, is incorrect.

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  • 10. 

    Pinching off the flexible brake hoses with the help of vice grip pliers is a very good and recommended method to close rubber brake lines.

    • True

    • False

    Correct Answer
    A. False
    Explanation
    Closing rubber brake lines by pinching off the flexible brake hoses with vice grip pliers is not a recommended method. This can cause damage to the brake system and compromise its functionality. It is important to use proper tools and techniques when working with brake lines to ensure safety and proper operation of the braking system.

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  • 11. 

    Tech A says that manufacturers have dealt with caliper brake piston corrosion by making pistons out of a phenolic resin. Tech B says that even though the phenolic pistons themselves do not corrode, the cast-iron bore of the caliper does corrode and rust and can therefore cause a phenolic piston to seize in the bore. Who is correct?

    • Tech A

    • Tech B

    • Both Techs A and B

    • Neither Tech A nor B

    Correct Answer
    A. Both Techs A and B
    Explanation
    Both Techs A and B are correct. Tech A is correct in stating that manufacturers have dealt with caliper brake piston corrosion by making pistons out of a phenolic resin. Tech B is correct in stating that while the phenolic pistons themselves do not corrode, the cast-iron bore of the caliper can corrode and rust, which can cause a phenolic piston to seize in the bore.

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  • 12. 

    Tech A says that when the brake pedal is depressed, a push rod creates the hydraulic pressure in the disc brake system. Tech B says that when the brake pedal is depressed, a push rod transfers the force through a brake booster to a hydraulic master cylinder. Who is correct? 

    • Tech A

    • Tech B

    • Both Techs A and B

    • Neither Tech A nor B

    Correct Answer
    A. Tech B
    Explanation
    Tech B is correct. When the brake pedal is depressed, a push rod transfers the force through a brake booster to a hydraulic master cylinder. This hydraulic master cylinder then creates the hydraulic pressure in the disc brake system. Tech A's statement is incorrect as the push rod does not directly create the hydraulic pressure in the disc brake system.

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  • 13. 

    If the ________________ anti-lock braking system warning lamp illuminates, it typically means the vehicle's power train control module has observed a fault in the anti-lock brake system and will need to be checked for diagnostic trouble codes.

    • Red

    • Blue

    • Yellow

    • None of the above

    Correct Answer
    A. Yellow
    Explanation
    If the yellow anti-lock braking system warning lamp illuminates, it typically means the vehicle's power train control module has observed a fault in the anti-lock brake system and will need to be checked for diagnostic trouble codes.

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  • 14. 

    Tech A says that fixed calipers are rigidly bolted in place and cannot move or slide. Tech B says that the sliding or floating caliper has brake pads located on each side of the rotor, but all the pistons are on only one side, usually the inside of the rotor. Who is correct?

    • Tech A

    • Tech B

    • Both Techs A and B

    • Neither Tech A nor B

    Correct Answer
    A. Both Techs A and B
    Explanation
    Fixed calipers are rigidly bolted in place. Sliding calipers do only have one piston.

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  • 15. 

    Tech A says that in disc brake calipers, the piston is sealed by a stationary round section sealing ring, also called a round cut O-ring. Tech B says that in disc brake calipers, the piston is sealed by a stationary square section sealing ring, also called a square cut O-ring. Who is correct?

    • Tech A

    • Tech B

    • Both Techs A and B

    • Neither Tech A nor B

    Correct Answer
    A. Tech B
    Explanation
    Tech B is correct. In disc brake calipers, the piston is sealed by a stationary square section sealing ring, also called a square cut O-ring. Tech A's statement is incorrect as the sealing ring used in disc brake calipers is not round, but square in shape. Therefore, only Tech B's statement is accurate.

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  • 16. 

    Tech A says that the piston on a brake caliper that integrates the parking brake will need to be screwed back in on the threaded shaft to retract it into the bore. Tech B says that you need a special tool that mates to slots, grooves, or holes in the outer face of the caliper piston. Who is correct?

    • Tech A

    • Tech B

    • Both Techs A and B

    • Neither Tech A nor B

    Correct Answer
    A. Both Techs A and B
    Explanation
    Both Techs A and B are correct. The piston on a brake caliper that integrates the parking brake does need to be screwed back in on the threaded shaft to retract it into the bore. Additionally, a special tool is required that mates to slots, grooves, or holes in the outer face of the caliper piston to properly retract it.

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Quiz Review Timeline (Updated): May 22, 2023 +

Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • May 22, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Oct 30, 2014
    Quiz Created by
    Atahcpss
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