Drum Brakes - Post

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  • 1/25 Questions

    _____________________ do just what their name suggests; they hold the brake shoes against the backing plate.

    • Specialty springs
    • Return springs
    • Hold-down springs
    • None of the above
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Drum Brakes - Post - Quiz
About This Quiz

Explore the fundamentals of drum brakes in this focused quiz. Assess your knowledge on components like hold-down springs, specialty springs, and the duo-servo drum brake system. Understand different brake linings and their impact on brake operation. Essential for learners in automotive repair and maintenance.

Quiz Preview

  • 2. 

    Which of the following can be found on a typical drum brake shoe?

    • Holes

    • Slots

    • Tabs for springs

    • All of the above

    Correct Answer
    A. All of the above
    Explanation
    A brake shoe has all of these.

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  • 3. 

    True or False. The composition of the lining material affects brake operation. Materials that provide good braking with low pedal pressures tend to lose efficiency when they get hot.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    Composition of the lining effects the coefficient of friction. Brakes do lose their efficiency when they get hot.

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  • 4. 

    The ___________________ gets its name from using the servo action in both the forward and the reverse direction.

    • Twin leading shoe drum brake system

    • Leading/trailing shoe drum brake system

    • Duo-servo drum brake system

    • None of the above

    Correct Answer
    A. Duo-servo drum brake system
    Explanation
    Two actions comprise the self energizing, duo-servo drum brake system.

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  • 5. 

    Tech A says that burnishing the new brake pads results in longer brake pad life. Tech B says that burnishing the new brake pads results in quiet brake life. 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
    Burnishing pads will help extend pad life and to reduce potential noise.

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  • 6. 

    Tech A says that it is a good practice to research any technical service bulletins for any brake system complaint. Tech B says that it is common practice to test-drive a vehicle even if the brake pedal goes to the floor. Who is correct?

    • Tech A

    • Tech B

    • Both Techs A and B

    • Neither Tech A nor B

    Correct Answer
    A. Tech A
    Explanation
    TSB's can help in repairing many brake and non-brake related repairs. If the brake pedal goes to the floor, should that vehicle be driven?

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  • 7. 

    Tech A says that the anti-chatter band used for turning brake drums is not necessary, and not installing it on the brake drum will not affect the results. Tech B says that you should always install the anti-chatter band to reduce vibration and get the correct finish on the brake drum. Who is correct?

    • Tech A

    • Tech B

    • Both Techs A and B

    • Neither Tech A nor B

    Correct Answer
    A. Tech B
    Explanation
    Always use the anti-chatter / silencer band.

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  • 8. 

    Tech A says that servicing the wheel bearings is a common part of a brake job if the vehicle has serviceable wheel bearings. Tech B says that if the vehicle uses non-serviceable bearings, the bearings should be checked during a brake job and replaced if they are worn out. 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
    Bearings that are serviceable should always be serviced when doing a brake job. Non-serviceable bearings should be inspected for excess play during maintenance inspections and brake jobs.

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  • 9. 

    Wheel cylinders typically contain which of the following?

    • One or two pistons

    • Spring and expander set

    • Both A and B

    • None of the above

    Correct Answer
    A. Both A and B
    Explanation
    Wheel cylinders typically contain both one or two pistons and a spring and expander set. The pistons are responsible for applying pressure to the brake shoes, which then press against the brake drum to slow down or stop the vehicle. The spring and expander set help to retract the brake shoes when the brake pedal is released, allowing the wheels to rotate freely. Therefore, both options A and B are correct.

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  • 10. 

    ___________________ are installed so the direction they are applied is the same as the forward rotation of the drum.

    • Trailing shoes

    • Leading shoes

    • Stationary shoes

    • None of the above

    Correct Answer
    A. Leading shoes
    Explanation
    Which way does a wheel turn when traveling forward? The leading shoe touches the drum first.

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  • 11. 

    Which of the following is a recommended tool for removing brake lines from a wheel cylinder?

    • Flare nut wrench

    • Line wrench

    • Both A and B

    • None of the above

    Correct Answer
    A. Both A and B
    Explanation
    Both of these provide pressure to all sides of the fitting, and allows the technician to get around line to do so.

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  • 12. 

    Which of the following can cause brake pedal pulsation?

    • Rotors with excessive lateral run out

    • Anti-lock braking system operation

    • Both A and B

    • None of the above

    Correct Answer
    A. Both A and B
    Explanation
    Both of these will cause brake pedal pulsation, but when the ABS operates, it's considered normal.

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  • 13. 

    Tech A says that many wheels use a tapered hole that matches the tapered end of the lug nut and centers the wheel on the wheel flange. Tech B says that manufacturers usually suggest tightening wheel lugs in a circular pattern. Who is correct?

    • Tech A

    • Tech B

    • Both Techs A and B

    • Neither Tech A nor B

    Correct Answer
    A. Tech A
    Explanation
    The taper is found to help center the fastener and if it is damaged, it should be replaced. Only a star pattern should be used when tightening wheel lugs.

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  • 14. 

    Tech A says that during a brake inspection, it is good practice to carefully peel back the dust boot from a wheel cylinder and see if there is any brake fluid behind the dust boot. A little brake fluid is normal. Tech B says that during a brake inspection, it is good practice to carefully peel back the dust boot from a wheel cylinder and see if there is any brake fluid behind the dust boot. If there is, the wheel cylinder is starting to leak and 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
    Yes, peeling the seal back slightly to inspect a wheel cylinder is correct, but no fluid should be seen. If found, it is bad and needs to be replaced.

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  • 15. 

    Which type of brake lining is typically used on light-duty vehicles?

    • Bonded

    • Rivets

    • Both A and B

    • None of the above

    Correct Answer
    A. Bonded
    Explanation
    Light duty applications get bonded shoes, heavy uses get riveted shoes.

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  • 16. 

    All of the following components are part of a parking brake system in a drum brake, EXCEPT:

    • Primary shoe.

    • Secondary shoe.

    • Brake strut rod.

    • Wheel cylinder.

    Correct Answer
    A. Wheel cylinder.
    Explanation
    The wheel cylinder is not responsible for applying the parking brakes.

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  • 17. 

    True or False. Disc rotors and drums can be refinished while on the vehicle or off the vehicle

    • True

    • False

    Correct Answer
    A. False
    Explanation
    Drums can not be refinished while they remain installed.

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  • 18. 

    Which of the following is/are LEAST likely to be used to reduce disc brake squeal?

    • Shims

    • Spacers

    • Axle grease

    • Bendable tangs

    Correct Answer
    A. Axle grease
    Explanation
    Axel grease is not used on braking components.

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  • 19. 

    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
    A special tool is required to push the piston back in and it does line up with the grooves in the face of the caliper piston.

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  • 20. 

    Tech A says that when removing a hubless-style drum, you should first make matching marks on the drum and hub for reinstallation in the correct position. Tech B says that a center punch can be used to mark the position of the drum to hub. 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
    When removing brake components, always index the parts. Using a center punch is ok to make these marks.

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  • 21. 

    Tech A says that to reassemble a duo-servo brake, the backing plate pads should be lubricated. Tech B says that to reassemble a duo-servo brake, the star wheel assembly should be lubricated on the floating end. 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
    The contact points where the shoes touch the backing plate, there should be some brake lube applied. The floating end of the star adjuster should be inspected to ensure it is free, and it should be lubricated.

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  • 22. 

    Tech A says that you should always start lug nuts on the wheel stud by hand. Tech B says that on some vehicles you are required to install the hubcap before installing the lug nuts. 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
    Starting all fasteners by hand is best practice. Some hubcaps are held in place by the lug nuts.

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  • 23. 

    Tech A says that if a hubless-style drum has screws or speed nuts holding the drum to the hub, you should remove them following the specified procedure. You cannot discard the speed nuts or the screws. Tech B says that if a hubless-style drum has screws or speed nuts holding the drum to the hub, you should remove them following the specified procedure. The speed nuts can be discarded and are not needed upon reassembly. The screws will be reused. Who is correct?

    • Tech A

    • Tech B

    • Both Techs A and B

    • Neither Tech A nor B

    Correct Answer
    A. Tech B
    Explanation
    The speed nuts that could be found, are nearly destroyed during removal, making it impossible to reinstall.

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  • 24. 

    Which type of drum is typically used on common passenger vehicles?

    • Hub-style drum

    • Hubless-style drum

    • Both A and B

    • None of the above

    Correct Answer
    A. Hubless-style drum
    Explanation
    Most passanger vehicles have a hubless drum.

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  • 25. 

    __________________ are used to return links and levers on the parking brake system or the self-adjuster mechanism.

    • Specialty springs

    • Return springs

    • Hold-down springs

    • None of the above

    Correct Answer
    A. Specialty springs
    Explanation
    Specialty springs have specific applications where they do one task.

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

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

  • Current Version
  • Aug 22, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Nov 18, 2016
    Quiz Created by
    Atahcpss
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