Do You Know Everything About Automobile Brakes? Quiz

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Do You Know Everything About Automobile Brakes? Quiz - Quiz

Do you know everything about automobile brakes? Take this automobile quiz and put your knowledge to the test. Which frictional brake system is used on vehicles today? Do you know its answer? Attempt this quiz and assess yourself. A brake is a mechanical device used to slow or stop a moving vehicle. What else do you know about the brake system? Play this quiz and get a satisfying answer. We hope you secure good marks on this test.


Questions and Answers
  • 1. 

    Tech A says that kinetic energy is the energy of an object in motion. Tech B says that heavier moving objects have more kinetic energy than lighter moving objects. Who is correct?

    • A.

      Tech A

    • B.

      Tech B

    • C.

      Both Techs A and B

    • D.

      Neither Tech A nor B

    Correct Answer
    C. Both Techs A and B
    Explanation
    Both Techs A and B are correct. Tech A is correct in stating that kinetic energy is the energy of an object in motion. Tech B is correct in stating that heavier moving objects have more kinetic energy than lighter moving objects. This is because kinetic energy is directly proportional to the mass of the object and the square of its velocity. Therefore, an object with greater mass and higher velocity will have more kinetic energy.

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  • 2. 

    Tech A says that if a technician performs a faulty brake job on a vehicle, he or she cannot be held liable. Tech B says that technicians can be held liable for improperlyrepaired brakes.

    • A.

      Tech A

    • B.

      Tech B

    • C.

      Both Techs A and B

    • D.

      Neither Tech A nor B

    Correct Answer
    B. Tech B
    Explanation
    Tech B is correct because technicians can be held liable for improperly repaired brakes. If a technician performs a faulty brake job on a vehicle, they can be held responsible for any damages or accidents that may occur as a result of the improper repair. It is the technician's responsibility to ensure that the brakes are repaired correctly and safely to prevent any potential harm to the driver or others on the road.

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  • 3. 

    Which of the following frictional brake systems is used on vehicles today?

    • A.

      Drum brakes

    • B.

      Disc brakes

    • C.

      Air brakes

    • D.

      All of the above

    Correct Answer
    D. All of the above
    Explanation
    All of the above options are correct because all three types of frictional brake systems - drum brakes, disc brakes, and air brakes - are used on vehicles today. Drum brakes are commonly used in the rear wheels of vehicles, disc brakes are used in the front wheels, and air brakes are used in heavy vehicles such as trucks and buses. Each type of brake system has its own advantages and is used in different applications based on factors such as vehicle size, weight, and performance requirements.

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  • 4. 

    Parking brake styles include which of the following?

    • A.

      Top hat parking brake

    • B.

      Drum-style parking brake

    • C.

      Transmission-mounted parking brake

    • D.

      All of the above

    Correct Answer
    D. All of the above
    Explanation
    The correct answer is "All of the above" because the question is asking about the different styles of parking brakes, and all three options listed (top hat parking brake, drum-style parking brake, and transmission-mounted parking brake) are indeed types of parking brake styles.

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  • 5. 

    Parking brakes use a _______________________ to maintain tension on the parking brake cables and assembly when applied.

    • A.

      Ratcheting mechanism

    • B.

      Scrum mechanism

    • C.

      Both A and B

    • D.

      None of the above

    Correct Answer
    A. Ratcheting mechanism
    Explanation
    Parking brakes use a ratcheting mechanism to maintain tension on the parking brake cables and assembly when applied. This mechanism allows the parking brake to hold the vehicle in place by preventing the cables from loosening or releasing. It works by engaging a series of teeth that lock in place when the brake is applied, preventing any backward movement of the cables and ensuring that the brake remains engaged until it is intentionally released. The use of a ratcheting mechanism is a common and effective way to ensure the stability and safety of a parked vehicle.

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  • 6. 

    Two students are discussing Newton's first law of motion. Student A says that a lightweight vehicle requires as much energy to accelerate as a heavier vehicle. Student B says that a lighter vehicle requires less energy to accelerate than a heavier vehicle. Who is correct?

    • A.

      Student A

    • B.

      Student B

    • C.

      Both Students A and B

    • D.

      Neither Student A nor B

    Correct Answer
    B. Student B
    Explanation
    Student B is correct. According to Newton's first law of motion, also known as the law of inertia, an object at rest will stay at rest and an object in motion will stay in motion with the same speed and direction unless acted upon by an external force. Therefore, a lighter vehicle requires less energy to accelerate because it has less inertia compared to a heavier vehicle.

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  • 7. 

    The amount of friction between two moving faces in contact with each other is expressed as a ratio and is called:

    • A.

      Friction.

    • B.

      The coefficient of friction.

    • C.

      The coefficient of heat.

    • D.

      None of the above

    Correct Answer
    B. The coefficient of friction.
    Explanation
    The correct answer is "the coefficient of friction." The amount of friction between two moving faces in contact with each other is expressed as a ratio, which is called the coefficient of friction. This ratio represents the force required to overcome the friction between the two surfaces. The coefficient of friction is a dimensionless quantity and is used to compare the frictional characteristics of different materials or surfaces.

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  • 8. 

    Excessive braking can cause which of the following brake conditions?

    • A.

      Warped brake rotors

    • B.

      Warped brake drums

    • C.

      Brake fade

    • D.

      All of the above

    Correct Answer
    D. All of the above
    Explanation
    Excessive braking can cause various brake conditions including warped brake rotors, warped brake drums, and brake fade. When brakes are overheated due to excessive braking, the heat can cause the rotors and drums to warp, leading to uneven braking and vibrations. Additionally, continuous heavy braking can result in brake fade, where the brakes lose their effectiveness and require more pedal pressure to slow down or stop the vehicle. Therefore, all of the above options are correct.

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  • 9. 

    The rotational force found in a moving vehicle tends to:

    • A.

      Push the nose down and lift the rear of the vehicle.

    • B.

      Lower the rear and lift the front of the vehicle.

    • C.

      Have no effect at all on the vehicle.

    • D.

      None of the above

    Correct Answer
    A. Push the nose down and lift the rear of the vehicle.
    Explanation
    When a vehicle is in motion, it experiences a rotational force known as the "centrifugal force" or "centripetal force." This force tends to push the nose of the vehicle down and lift the rear of the vehicle. This can be observed when a vehicle takes a sharp turn, causing the weight to shift towards the outside of the turn. This force is crucial for maintaining stability and preventing the vehicle from tipping over. Therefore, the correct answer is that the rotational force tends to push the nose down and lift the rear of the vehicle.

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  • 10. 

    Two students are discussing vehicle lift kits. Student A says that lift kits have no effect on braking or vehicle handling. Student B says that lift kits only affect handling, not braking. Who is correct?

    • A.

      Student A

    • B.

      Student B

    • C.

      Both Students A and B

    • D.

      Neither Student A nor B

    Correct Answer
    D. Neither Student A nor B
    Explanation
    Neither Student A nor B is correct. Lift kits do have an effect on both braking and vehicle handling. When a vehicle is lifted, it changes the center of gravity, which can impact the vehicle's stability and handling. Additionally, the increased height can affect the braking system, as it may require adjustments to ensure proper braking performance. Therefore, both Student A and Student B are incorrect in their statements.

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  • 11. 

    Brake systems not repaired properly can cause which of the following?

    • A.

      Accidents

    • B.

      Injury

    • C.

      Death

    • D.

      All of the above

    Correct Answer
    D. All of the above
    Explanation
    If brake systems are not repaired properly, it can lead to accidents, injuries, and even death. Malfunctioning brakes can cause a vehicle to lose control, resulting in accidents and collisions. Inadequate braking power can also lead to injuries for the driver, passengers, and pedestrians involved. In extreme cases, brake failure can lead to fatal accidents, causing death. Therefore, all of the mentioned options - accidents, injuries, and death - can occur if brake systems are not repaired properly.

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  • 12. 

    Tech A says that disc brakes are used on the front of most vehicles built since the early 1970s and on the rear wheels of many vehicles. Tech B says that a disc brake operates by squeezing brake pads on both sides of a rotor or disc that is attached to the wheel. Who is correct?

    • A.

      Tech A

    • B.

      Tech B

    • C.

      Both Techs A and B

    • D.

      Neither Tech A nor B

    Correct Answer
    C. Both Techs A and B
    Explanation
    Both Techs A and B are correct. Disc brakes are indeed used on the front of most vehicles built since the early 1970s and on the rear wheels of many vehicles. Additionally, a disc brake does operate by squeezing brake pads on both sides of a rotor or disc that is attached to the wheel.

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  • 13. 

    Tech A says that when drum brakes are applied, brake shoes are moved outward against a rotating brake drum. Tech B says that drum brakes are used on the rear of many vehicles today. Who is correct?

    • A.

      Tech A

    • B.

      Tech B

    • C.

      Both Techs A and B

    • D.

      Neither Tech A nor B

    Correct Answer
    C. Both Techs A and B
    Explanation
    Both Tech A and Tech B are correct. Tech A is correct because when drum brakes are applied, brake shoes are indeed moved outward against a rotating brake drum. Tech B is also correct because drum brakes are commonly used on the rear of many vehicles today.

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  • 14. 

    Which of the following is MOST likely to be part of the hydraulic brake system?

    • A.

      Brake hoses

    • B.

      Wheel cylinder

    • C.

      Disc brake caliper

    • D.

      All of the above

    Correct Answer
    D. All of the above
    Explanation
    All of the options listed - brake hoses, wheel cylinder, and disc brake caliper - are commonly found components in a hydraulic brake system. Brake hoses are responsible for carrying brake fluid from the master cylinder to the wheel cylinders or calipers. The wheel cylinder is a hydraulic device that applies pressure to the brake shoes, causing them to press against the brake drum and slow down the vehicle. The disc brake caliper, on the other hand, applies pressure to the brake pads, causing them to clamp onto the brake rotor and slow down the vehicle. Therefore, it is likely that all of these components are part of the hydraulic brake system.

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  • 15. 

    Tech A says that the purpose of an anti-lock braking system is to prevent the wheels from locking during braking, especially on low-friction surfaces such as wet, icy, or snowy roads. Tech B says that the anti-lock braking system does not mean a vehicle can stop quickly on all road surfaces. Who is correct?

    • A.

      Tech A

    • B.

      Tech B

    • C.

      Both Techs A and B

    • D.

      Neither Tech A nor B

    Correct Answer
    C. Both Techs A and B
    Explanation
    Both Techs A and B are correct. Tech A is correct in stating that the purpose of an anti-lock braking system is to prevent the wheels from locking during braking, especially on low-friction surfaces. This helps maintain steering control and reduces the risk of skidding. Tech B is also correct in stating that the anti-lock braking system does not guarantee that a vehicle can stop quickly on all road surfaces. Factors such as road conditions, tire grip, and other variables can affect stopping distances.

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  • 16. 

    Which of the following is LEAST likely to affect tire traction?

    • A.

      Tire composition

    • B.

      Tread style

    • C.

      Tread condition

    • D.

      Tire manufacturer

    Correct Answer
    D. Tire manufacturer
    Explanation
    Tire manufacturer is least likely to affect tire traction because the traction of a tire primarily depends on factors such as tire composition, tread style, and tread condition. The tire composition determines the materials used in the tire, which can impact its grip on the road. The tread style refers to the design of the tire's pattern, which can affect traction on different surfaces. The tread condition, including the depth of the tread and any wear or damage, also plays a significant role in traction. However, the manufacturer of the tire is not directly related to these factors and therefore is least likely to affect tire traction.

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  • 17. 

    Tech A says that force is transmitted hydraulically through the brake fluid. Tech B says that by using cylinders of different sizes, forces can be increased or reduced, allowing designers to obtain the desired braking force for each wheel. Who is correct?

    • A.

      Tech A

    • B.

      Tech B

    • C.

      Both Techs A and B

    • D.

      Neither Tech A nor B

    Correct Answer
    C. Both Techs A and B
    Explanation
    Both Techs A and B are correct. Tech A is correct because force is indeed transmitted hydraulically through the brake fluid. When the brake pedal is pressed, the force is transferred to the brake fluid, which then applies pressure to the brake calipers or wheel cylinders, causing the brakes to engage. Tech B is correct because by using cylinders of different sizes, the force can be increased or reduced. This allows designers to adjust the braking force for each wheel, ensuring optimal braking performance and balance.

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Quiz Review Timeline +

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

  • Current Version
  • Aug 27, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Sep 29, 2014
    Quiz Created by
    Atahcpss

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