Engine Trivia Quiz: What Do You Know About Clutch?

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Engine Trivia Quiz: What Do You Know About Clutch? - Quiz

What Do You Know About Clutch? This engine trivia quiz is perfect for seeing if you understand the major uses of a clutch and how it is designed. Do you think that you know how to use the clutch properly? Do take up the quiz and get to see what new things you may learn about the different types in use. All the best!


Questions and Answers
  • 1. 

    The clutch friction disc always rotates with the:

    • A.

      Engine crankshaft

    • B.

      Flywheel

    • C.

      Pressure plate

    • D.

      Transmission input shaft

    Correct Answer
    D. Transmission input shaft
    Explanation
    The clutch friction disc always rotates with the transmission input shaft because the friction disc is connected to the input shaft through splines. When the clutch pedal is engaged, the pressure plate pushes against the friction disc, allowing the power from the engine to be transmitted to the transmission input shaft. Therefore, as the input shaft rotates, the friction disc also rotates, ensuring smooth power transfer between the engine and the transmission.

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  • 2. 

    Torsional coil springs in the clutch disc:

    • A.

      Absorb the torque forces

    • B.

      Are the mechanical force holding the pressure plate against the driven disc and flywheel

    • C.

      Return the clutch pedal to it's original position

    • D.

      All of the above

    Correct Answer
    A. Absorb the torque forces
    Explanation
    Torsional coil springs in the clutch disc absorb the torque forces generated during the operation of the clutch. These springs act as a buffer, absorbing the rotational force and preventing sudden shocks or jerks. By absorbing the torque forces, the springs help in smooth engagement and disengagement of the clutch, ensuring a seamless transition between gears.

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  • 3. 

    Which of the following is probably not the cause of a vibrating clutch?

    • A.

      Excessive crankshaft endplay

    • B.

      Out-of balance pressure plate assembly

    • C.

      Excessive flywheel runout

    • D.

      Loose flywheel bolts

    Correct Answer
    A. Excessive crankshaft endplay
    Explanation
    Excessive crankshaft endplay is unlikely to be the cause of a vibrating clutch. Crankshaft endplay refers to the movement of the crankshaft back and forth within the engine block. While excessive endplay can cause various issues, such as engine noise and oil leaks, it is not directly related to clutch vibration. The other options, including out-of-balance pressure plate assembly, excessive flywheel runout, and loose flywheel bolts, are more likely to cause a vibrating clutch as they directly affect the balance and stability of the clutch components.

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  • 4. 

    Insufficient clutch pedal clearance results in:

    • A.

      Gear clashing when shifting the transmission

    • B.

      A noisy front transmission bearing

    • C.

      Premature release bearing failure

    • D.

      Premature pilot bearing failure

    Correct Answer
    C. Premature release bearing failure
    Explanation
    Insufficient clutch pedal clearance can lead to premature release bearing failure. The release bearing is responsible for disengaging the clutch when the pedal is pressed. If there is not enough clearance, the bearing may not fully disengage the clutch, causing it to constantly spin against the pressure plate. This can result in excessive heat and wear on the release bearing, leading to premature failure.

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  • 5. 

    When making a clutch adjustment, it is necessary to:

    • A.

      Measure clutch pedal free travel

    • B.

      Lubricate the clutch linkage

    • C.

      Measure flywheel clearance

    • D.

      Place the transmission in reverse

    Correct Answer
    A. Measure clutch pedal free travel
    Explanation
    When making a clutch adjustment, it is necessary to measure clutch pedal free travel. This is important because it helps determine if the clutch is engaging and disengaging properly. Clutch pedal free travel refers to the distance the clutch pedal can be depressed before it starts to engage the clutch. By measuring this, one can ensure that the clutch is properly adjusted and functioning correctly.

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  • 6. 

    The surface of the pressure plate contacts the:

    • A.

      Transmission main shaft

    • B.

      Throwout bearing

    • C.

      Clutch disc

    • D.

      Flywheel

    Correct Answer
    C. Clutch disc
    Explanation
    The correct answer is clutch disc. The surface of the pressure plate comes into contact with the clutch disc. The pressure plate applies pressure to the clutch disc, allowing it to engage or disengage the flywheel. This contact between the pressure plate and clutch disc is necessary for the proper functioning of the clutch system in a vehicle.

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  • 7. 

    The clutch release bearing exerts pressure upon the:

    • A.

      Clutch disc

    • B.

      Pressure plate diaphragm spring

    • C.

      Pilot bearing

    • D.

      Torsional springs

    Correct Answer
    B. Pressure plate diaphragm spring
    Explanation
    The clutch release bearing exerts pressure upon the pressure plate diaphragm spring. The pressure plate diaphragm spring is a crucial component of the clutch system that helps in engaging and disengaging the clutch. When the clutch pedal is depressed, the clutch release bearing pushes against the pressure plate diaphragm spring, causing it to release the pressure on the clutch disc. This allows the clutch disc to disengage from the flywheel, enabling smooth shifting of gears.

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  • 8. 

    Technician A says the pressure plate assembly squeezes the clutch disc onto the flywheel. Technician B says the pressure plate moves away from the clutch disc so the disc can stop rotating. 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. The pressure plate assembly does indeed squeeze the clutch disc onto the flywheel, creating friction and allowing power to be transferred from the engine to the transmission. Additionally, the pressure plate can move away from the clutch disc, allowing the disc to stop rotating and disengage the transmission from the engine. Therefore, both statements are accurate.

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  • 9. 

    Technician A says an oil-soaked clutch disc can cause clutch chatter. Technician B says clutch chatter can be caused by loose bell housing bolts. 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. An oil-soaked clutch disc can indeed cause clutch chatter, as the oil can interfere with the friction between the clutch disc and the flywheel, leading to inconsistent engagement and disengagement of the clutch. On the other hand, loose bell housing bolts can also cause clutch chatter as they can create vibrations and allow the clutch assembly to move or misalign, resulting in an unstable clutch engagement. Therefore, both factors can contribute to clutch chatter.

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  • 10. 

    Technician A says clutch slippage can be effected by improper clutch adjustment. Technician B says clutch slippage does not occur in lower gears. 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. Clutch slippage can indeed be affected by improper clutch adjustment. When the clutch is not properly adjusted, it may not fully engage or disengage, resulting in slippage. This can cause a loss of power and difficulty in shifting gears. On the other hand, Technician B is incorrect in stating that clutch slippage does not occur in lower gears. Clutch slippage can happen in any gear if there is an issue with the clutch mechanism.

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  • 11. 

    While diagnosing a pilot bushing wear, Technician A listens for unusual noises. Technician B inspects the front end of the transmission input shaft. 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. Diagnosing a pilot bushing wear involves listening for unusual noises, which Technician A does. Additionally, Technician B inspects the front end of the transmission input shaft, which is also a correct step in diagnosing this issue. Therefore, both technicians are correct in their approach to diagnosing pilot bushing wear.

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  • 12. 

    Technician A says the clutch assembly is located between the engine and the transmission. Technician B  says the clutch provides a mechanical coupling between the engine flywheel and the transmission input shaft. 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. The clutch assembly is indeed located between the engine and the transmission. It provides a mechanical coupling between the engine flywheel and the transmission input shaft, allowing for the transfer of power from the engine to the transmission. Therefore, both technicians are correct in their statements.

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  • 13. 

    Technician A says the engine flywheel is the main driving member of the clutch. Technician B says the transmission input shaft receives driving motion from the pilot bearing. 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. The engine flywheel is indeed the main driving member of the clutch. It is connected to the engine and provides the rotational power necessary for the clutch to engage and disengage. On the other hand, Technician B is incorrect. The transmission input shaft does not receive driving motion from the pilot bearing. The pilot bearing is a support bearing that helps align the transmission input shaft with the engine crankshaft, but it does not directly transmit power.

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  • 14. 

    Technician A says the clutch fork moves the pilot bearing. Technician B says the clutch fork movement is controlled by the clutch pedal. 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. The clutch fork movement is indeed controlled by the clutch pedal. The clutch pedal is connected to the clutch fork through a linkage system, and when the pedal is pressed, it activates the clutch fork, causing it to move. This movement then engages or disengages the clutch, allowing for the transfer of power from the engine to the transmission. Technician A's statement about the clutch fork moving the pilot bearing is incorrect. The pilot bearing is a separate component that supports the transmission input shaft and is not directly controlled by the clutch fork.

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  • 15. 

    Technician A says clutch linkage may be mechanically or Hydraulically operated. Technician B says clutch linkage includes shaft and lever linkage and cable linkage designs. 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 technicians are correct. Clutch linkages can be either mechanically or hydraulically operated, and they may include different designs such as shaft and lever linkage or cable linkage. The method of operation and specific linkage design can vary between different vehicle models and types.

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