Free ASE Practice Test A9

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Free ASE Practice Test A9 - Quiz

Test your understanding of brake systems with this ASE Practice Test A9 quiz. Each question presents a brake-related concept, and you must choose the correct option out of four choices. Topics covered include brake components, functions, maintenance, and common issues. Evaluate your knowledge and enhance your expertise in vehicle braking systems. So, are you ready for this "Free ASE Practice Test A9"? Try to answer most, if not all, of the questions correctly to score high marks. All the best to you with this quiz. Do share this quiz with others.


Questions and Answers
  • 1. 

    What is the purpose of a brake caliper?

    • A.

      Engage brake pads

    • B.

      Store brake fluid

    • C.

      Generate brake pressure

    • D.

      Adjust brake balance

    Correct Answer
    A. Engage brake pads
    Explanation
    The purpose of a brake caliper is to engage brake pads. Brake calipers are a crucial component of the braking system in many vehicles. They house the brake pads and, when activated, apply pressure to the brake pads, causing them to make contact with the brake rotor (in disc brake systems) or the brake drum (in drum brake systems).

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  • 2. 

    Which type of brake fluid is commonly used in most modern vehicles?

    • A.

      DOT-3

    • B.

      DOT-4

    • C.

      DOT-5

    • D.

      DOT-5.1

    Correct Answer
    B. DOT-4
    Explanation
    DOT-4 brake fluid is commonly used in modern vehicles due to its higher boiling point and compatibility with various brake systems.

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  • 3. 

    What component is responsible for transmitting the force from the brake pedal to the brake system?

    • A.

      Brake booster

    • B.

      Master cylinder

    • C.

      Brake rotor

    • D.

      Brake caliper

    Correct Answer
    B. Master cylinder
    Explanation
    system is the master cylinder. The master cylinder is a critical part of the hydraulic braking system. When you press the brake pedal, it creates hydraulic pressure in the master cylinder, which is then transmitted through the brake lines to the brake calipers (in disc brake systems) or wheel cylinders (in drum brake systems).

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  • 4. 

    Which type of brake is typically used in emergency or parking situations?

    • A.

      Disc brake

    • B.

      Drum brake

    • C.

      Hand brake

    • D.

      Anti-lock brake

    Correct Answer
    C. Hand brake
    Explanation
    The type of brake typically used in emergency or parking situations is the hand brake, also known as the parking brake or emergency brake. It is a separate braking system from the primary hydraulic braking system (which may include disc brakes or drum brakes). The hand brake is manually operated and is primarily used to secure the vehicle in a stationary position, especially when parking on slopes or during emergency situations.

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  • 5. 

    What is the purpose of the brake fluid reservoir?

    • A.

      Generate hydraulic pressure

    • B.

      Store extra brake fluid

    • C.

      Cool the brakes

    • D.

      Collect excess brake fluid

    Correct Answer
    D. Collect excess brake fluid
    Explanation
    The brake fluid reservoir collects excess brake fluid and compensates for fluid displacement as the brake pads wear down.

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  • 6. 

    Which component is responsible for preventing the wheels from locking up during hard braking?

    • A.

      Brake caliper

    • B.

      Rotor

    • C.

      Brake lines

    • D.

      Anti-lock brake system (ABS)

    Correct Answer
    D. Anti-lock brake system (ABS)
    Explanation
    The ABS modulates brake pressure to prevent wheel lockup, improving steering control and stopping distance.

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  • 7. 

    What can cause brake fade?

    • A.

      Overheating of brake fluid

    • B.

      Excessive brake fluid level

    • C.

      Worn-out tires

    • D.

      Loose wheel bolts

    Correct Answer
    A. Overheating of brake fluid
    Explanation
    Brake fade occurs when brake fluid overheats, leading to reduced braking efficiency and increased stopping distances.

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  • 8. 

    What is the purpose of machining brake rotors?

    • A.

      Increase rotor weight

    • B.

      Improve brake pedal feel

    • C.

      Add decorative patterns

    • D.

      Restore parallelism and surface finish

    Correct Answer
    D. Restore parallelism and surface finish
    Explanation
    Machining rotors removes imperfections, restores a smooth surface, and ensures parallelism, reducing brake noise and vibration.

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  • 9. 

    What does the brake warning light on the dashboard indicate?

    • A.

      Low engine oil level

    • B.

      Overheating engine

    • C.

      Low tire pressure

    • D.

      Brake system issues

    Correct Answer
    D. Brake system issues
    Explanation
    The brake warning light indicates a potential issue with the brake system, such as low fluid level or brake pad wear.

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  • 10. 

    Which component converts kinetic energy into heat to slow down the vehicle?

    • A.

      Brake pedal

    • B.

      Brake booster

    • C.

      Brake rotor

    • D.

      Brake caliper

    Correct Answer
    C. Brake rotor
    Explanation
    The brake rotor, when clamped by the brake pads, generates friction that converts kinetic energy into heat, slowing down the vehicle.

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  • Current Version
  • Oct 27, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Dec 01, 2014
    Quiz Created by
    Bala Vishal
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