A Quiz On Vehicle Parts

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| By Dakota067
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Dakota067
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Quizzes Created: 4 | Total Attempts: 6,021
Questions: 23 | Attempts: 2,413

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A Quiz On Vehicle Parts - Quiz

Not just anyone can change up motor vehicle parts as this runs the risk of destroying the vehicles functionality. A car part is very specific to the make. Just how well do you know car parts? Give the quiz a try and let the score tell you. All the best!


Questions and Answers
  • 1. 

    Adjustable air shocks can be filled manually.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    Adjustable air shocks are designed to allow the user to manually adjust the amount of air pressure within the shocks. This can be done using a hand pump or an air compressor. By increasing or decreasing the air pressure, the user can customize the firmness or softness of the shocks to suit their preferences or the specific requirements of their vehicle. Therefore, it is true that adjustable air shocks can be filled manually.

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  • 2. 

    Shock absorbers are always mounted vertically, not at an angle.

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    Shock absorbers are not always mounted vertically. They can be mounted at an angle depending on the specific design and requirements of the vehicle. The angle at which shock absorbers are mounted can affect their performance and the overall suspension system. Therefore, it is not accurate to say that shock absorbers are always mounted vertically.

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  • 3. 

    Semi-independent suspensions are used on the rear of many front-wheel drive cars.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    Semi-independent suspensions are indeed used on the rear of many front-wheel drive cars. This type of suspension system allows each wheel to move independently, providing better traction and stability. It is commonly used in front-wheel drive cars to improve handling and ride comfort. By allowing the rear wheels to move independently, semi-independent suspensions help to absorb shocks and vibrations, resulting in a smoother and more controlled ride. Therefore, the statement "Semi-independent suspensions are used on the rear of many front-wheel drive cars" is true.

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  • 4. 

    Springs absorb wheel jounce and rebound.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    Springs in a vehicle's suspension system are designed to absorb the impact and vibrations caused by uneven road surfaces. When a wheel encounters a bump or pothole, the spring compresses, absorbing the jounce (upward movement) of the wheel. As the wheel moves back down, the spring expands, absorbing the rebound (downward movement) of the wheel. Therefore, it is true that springs absorb wheel jounce and rebound, helping to provide a smoother and more comfortable ride.

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  • 5. 

    Most coil springs are made from die-cast iron.

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    Coil springs are not typically made from die-cast iron. Instead, they are commonly made from materials like steel or titanium. These materials are chosen for their strength, durability, and ability to withstand the load and pressure placed on the spring. Die-cast iron is not suitable for coil springs as it is brittle and lacks the necessary flexibility and resilience required for this application.

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  • 6. 

    All leaf springs are mounted to the vehicle lengthwise.

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    Leaf springs are not always mounted to the vehicle lengthwise. Leaf springs can be mounted in various orientations depending on the specific design and configuration of the vehicle's suspension system. Some vehicles may have leaf springs mounted transversely, diagonally, or in other orientations to achieve the desired performance and handling characteristics. Therefore, it is incorrect to say that all leaf springs are mounted to the vehicle lengthwise.

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  • 7. 

    Torsion bars operate on a twisting motion.

    • A.

      True

    • B.

      Fasle

    Correct Answer
    A. True
    Explanation
    Torsion bars are a type of suspension system that operate by twisting or flexing in response to the movement of the wheels. This twisting motion helps absorb shocks and vibrations, providing a smoother ride. Therefore, the statement that torsion bars operate on a twisting motion is true.

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  • 8. 

    The core of any suspension is the:

    • A.

      Wheel spindle assembly

    • B.

      Spring

    • C.

      Ball joint

    • D.

      Control arm

    Correct Answer
    B. Spring
    Explanation
    The core of any suspension is the spring. Springs are essential components in a suspension system as they absorb and distribute the impact and vibrations caused by road irregularities. They help maintain contact between the tires and the road surface, providing stability and control while driving. Springs also support the weight of the vehicle and help determine its ride height. Without a spring, the suspension would not be able to effectively absorb shocks and provide a comfortable and safe ride.

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  • 9. 

    What occurs when a wheel hits a dip or hole and moves downward?

    • A.

      Jounce

    • B.

      Free length

    • C.

      Deflection

    • D.

      Rebound

    Correct Answer
    D. Rebound
    Explanation
    When a wheel hits a dip or hole and moves downward, it will eventually move back up to its original position. This upward movement is known as rebound.

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  • 10. 

    Which is not part of the unsprung weight of a vehicle?

    • A.

      Steering knuckles

    • B.

      Tires

    • C.

      Engine

    • D.

      Wheels

    Correct Answer
    C. Engine
    Explanation
    The engine is not part of the unsprung weight of a vehicle. Unsprung weight refers to the components that are not supported by the suspension system and directly impact the road surface. The steering knuckles, tires, and wheels are all part of the unsprung weight as they are directly connected to the suspension and transmit forces to the road. However, the engine is typically mounted to the chassis and is supported by the suspension, making it part of the sprung weight.

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  • 11. 

    The coil springs of the vehicle:

    • A.

      Support the weight of the vehicle

    • B.

      Respond to wheel jounce

    • C.

      Respond to wheel rebound

    • D.

      All of the above

    Correct Answer
    D. All of the above
    Explanation
    The coil springs of a vehicle serve multiple purposes. Firstly, they support the weight of the vehicle, ensuring that it stays at the desired ride height and preventing it from sagging. Secondly, they respond to wheel jounce, which is the upward movement of the wheels when encountering bumps or uneven surfaces, by compressing and absorbing the impact. Lastly, they respond to wheel rebound, the downward movement of the wheels after encountering a bump, by expanding and helping to maintain tire contact with the road. Therefore, all of the given options are correct, as the coil springs perform all of these functions.

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  • 12. 

    Vehicle height is checked with the fuel tank:

    • A.

      1/4 full

    • B.

      1/2 full

    • C.

      3/4 full

    • D.

      Full

    Correct Answer
    D. Full
    Explanation
    The vehicle height is checked with the fuel tank full because the weight of the fuel affects the height of the vehicle. When the fuel tank is full, the vehicle's height will be at its maximum due to the added weight of the fuel. This is important to ensure that the vehicle meets the height requirements for safety and clearance purposes.

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  • 13. 

    A typical SLA suspension has:

    • A.

      An upper short arm and a lower long arm

    • B.

      Two arms of equal length

    • C.

      A lower short arm and an upper long arm

    • D.

      None of the above

    Correct Answer
    A. An upper short arm and a lower long arm
    Explanation
    A typical SLA suspension has an upper short arm and a lower long arm. This type of suspension design is commonly used in vehicles to control the movement of the wheels and ensure stability and control. The upper short arm is usually attached to the chassis, while the lower long arm is connected to the wheel hub. This configuration allows for better suspension geometry and improved handling characteristics, as it helps to minimize changes in wheel alignment during suspension movement.

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  • 14. 

    Coil springs are used:

    • A.

      On all strut suspensions

    • B.

      On selected strut suspensions

    • C.

      On all non-strut suspensions

    • D.

      On modified MacPherson suspensions only

    Correct Answer
    A. On all strut suspensions
    Explanation
    Coil springs are used on all strut suspensions because they play a crucial role in supporting the weight of the vehicle and providing a comfortable ride. Strut suspensions consist of a coil spring that is mounted over a shock absorber, which helps to absorb bumps and vibrations from the road. The coil spring helps to maintain the height of the vehicle and provides stability during cornering and braking. Therefore, coil springs are an integral component of all strut suspensions.

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  • 15. 

    Most passenger cars use a shock with a _____ ratio.

    • A.

      80/20

    • B.

      40/60

    • C.

      90/10

    • D.

      50/50

    Correct Answer
    D. 50/50
    Explanation
    Most passenger cars use a shock with a 50/50 ratio. This means that the shock absorber is designed to equally distribute the force between the front and rear of the vehicle. This ratio ensures a balanced and comfortable ride by absorbing and dampening the impact of bumps and vibrations on the road.

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  • 16. 

    Technician A says urethane suspensions bushings improve the vehicle's raod holding ability and handling. Tehnician B says urethane suspension bushings help reduce torque steer in FWD vehicles. Who is correct?

    • A.

      A only

    • B.

      B only

    • C.

      Both A and B

    • D.

      Neither A nor B

    Correct Answer
    C. Both A and B
    Explanation
    Both Technician A and Technician B are correct. Urethane suspension bushings do improve the vehicle's road holding ability and handling by providing a stiffer and more responsive suspension. Additionally, they also help reduce torque steer in front-wheel drive (FWD) vehicles by minimizing the transfer of torque to the steering system during acceleration. Therefore, both statements are accurate.

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  • 17. 

    Technician A says a weak suspension spring can affect wheel alignment. Technician B says a weak suspension spring can cause poor braking. Who is correct?

    • A.

      A only

    • B.

      B only

    • C.

      Both A and B

    • D.

      Neither A nor B

    Correct Answer
    D. Neither A nor B
    Explanation
    Neither Technician A nor Technician B is correct. A weak suspension spring does not directly affect wheel alignment or braking performance. Wheel alignment is primarily affected by the adjustment of the suspension components such as control arms, tie rods, and camber/caster settings. Braking performance, on the other hand, is influenced by the condition of the brake system components such as brake pads, rotors, calipers, and brake fluid. While a weak suspension spring may indirectly affect the handling and stability of the vehicle, it does not directly impact wheel alignment or braking.

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  • 18. 

    Technician A says strut rods are typically attached to the ends of stabilizer bars. Technician B says a failed strut rod can quickly lead to failure of the entire suspension system. Who is correct?

    • A.

      A only

    • B.

      B only

    • C.

      Both A and B

    • D.

      Neither A nor B

    Correct Answer
    B. B only
    Explanation
    Technician B is correct. A failed strut rod can indeed lead to the failure of the entire suspension system. The strut rod is an important component that helps to control the movement and stability of the suspension system. If it fails, it can cause the suspension system to become unstable, leading to potential failure and loss of control of the vehicle. Therefore, Technician B's statement is accurate.

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  • 19. 

    Technician A says leaf springs may be made of cast iron. Technician B says leaf springs may be made from a fiber composite material. Who is correct?

    • A.

      A only

    • B.

      B only

    • C.

      Both A and B

    • D.

      Neither A nor B

    Correct Answer
    B. B only
    Explanation
    Technician B is correct. Leaf springs are typically made from a fiber composite material, such as fiberglass or carbon fiber, rather than cast iron. These materials provide strength and flexibility, allowing the leaf springs to absorb and distribute the weight and shocks of the vehicle effectively. Cast iron is a heavy and brittle material that is not suitable for leaf springs.

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  • 20. 

    Coil spring designs and ratings are being discussed. Technician A says coil springs may have a linear rate. Technician B says coil springs may have a variable rate. Who is correct?

    • A.

      A only

    • B.

      B only

    • C.

      Both A and B

    • D.

      Neither A nor B

    Correct Answer
    C. Both A and B
    Explanation
    Both Technician A and Technician B are correct. Coil springs can have a linear rate, which means that the spring rate remains constant throughout its compression. However, coil springs can also have a variable rate, where the spring rate changes as the spring compresses. The choice of whether to use a linear or variable rate coil spring depends on the specific application and the desired performance characteristics.

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  • 21. 

    Torsion bar suspension is being discussed. Technician A says some torsion bars run lengthwise. Technician B says some torsion bars run side to side. Who is correct?

    • A.

      A only

    • B.

      B only

    • C.

      Both A and B

    • D.

      Neither A nor B

    Correct Answer
    C. Both A and B
    Explanation
    Both Technician A and Technician B are correct. Torsion bars can run lengthwise or side to side depending on the specific design of the suspension system.

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  • 22. 

    Technician A says conventional shock absorbers dampen spring movement. Technician B says conventional shock absorbers absorb shock. Who is Correct?

    • A.

      A only

    • B.

      B only

    • C.

      Both A and B

    • D.

      Neither A nor B

    Correct Answer
    A. A only
    Explanation
    Technician A is correct. Conventional shock absorbers are designed to dampen or control the movement of the vehicle's springs. They work by using hydraulic fluid to absorb the energy from the springs and dissipate it as heat. This helps to reduce the bouncing or oscillation of the springs and improve the overall stability and comfort of the vehicle. Technician B's statement is not accurate as shock absorbers do not absorb the shock directly, but rather dampen the movement caused by the shocks.

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  • 23. 

    Technician A says adaptive suspensions can alter ride height while the vehicle is in motion. Technician B says active suspensions use air-operated actuators. Who is correct?

    • A.

      A only

    • B.

      B only

    • C.

      Both A and B

    • D.

      Neither A nor B

    Correct Answer
    A. A only
    Explanation
    Technician A is correct. Adaptive suspensions have the ability to alter the ride height of a vehicle while it is in motion. This feature allows the suspension system to adjust to different road conditions and improve the overall ride quality. On the other hand, Technician B is incorrect as active suspensions do not necessarily use air-operated actuators. Active suspensions can use various types of actuators, including hydraulic or electronic ones, to adjust the suspension settings based on real-time inputs.

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