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Questions and Answers
What is the primary function of a clutch in a vehicle?
What is the primary function of a clutch in a vehicle?
- To cool the engine to prevent overheating
- To transfer power from the engine to the transmission (correct)
- To increase engine speed during acceleration
- To secure the drivetrain to the vehicle body
Where is the clutch located in a vehicle's mechanical assembly?
Where is the clutch located in a vehicle's mechanical assembly?
- Between the engine flywheel and the transmission (correct)
- Attached to the engine on the rear side
- Connected to the fuel system
- Inside the transmission casing
What would happen if a clutch is not operating properly?
What would happen if a clutch is not operating properly?
- Gear shifting becomes seamless and effortless
- The engine will run at higher temperatures
- Power transfer and gear shifting become difficult (correct)
- The vehicle will accelerate faster
Which component is NOT a part of the clutch mechanism?
Which component is NOT a part of the clutch mechanism?
What role does the release bearing play in the clutch system?
What role does the release bearing play in the clutch system?
Flashcards
What is the clutch?
What is the clutch?
The clutch is a mechanical device that allows the engine's power to be transferred to the transmission.
What is the flywheel?
What is the flywheel?
The flywheel is a heavy disc attached to the engine's crankshaft. It stores rotational energy and helps smooth out engine speed.
What is the clutch disk?
What is the clutch disk?
The clutch disk is a disc with friction material on both sides, sandwiched between the flywheel and pressure plate. It allows power transfer when engaged.
What is the pressure plate?
What is the pressure plate?
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What is the release bearing?
What is the release bearing?
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Study Notes
Clutch
- A clutch is a mechanical part transferring power from the engine to the vehicle's transmission.
- It's crucial for smooth power transfer and gear shifting.
- Located between the engine flywheel and the transmission.
Flywheel
- A mechanical device efficiently storing rotational energy (kinetic energy).
- Stores energy proportional to the square of its rotational speed and mass.
- Resists changes in rotational speed due to inertia.
- Acts as a low-pass filter on mechanical velocity (angular).
Pilot Bearing
- Supports and centers the transmission input shaft and clutch disc.
- Allows the flywheel to maintain engine RPM while the input shaft slows down.
Clutch Disk
- Part of the vehicle's manual transmission system.
- Transfers power from the flywheel to the pressure plate.
- Usually made of durable steel, sometimes Kevlar in high-performance vehicles.
Pressure Plate
- Secured to the flywheel.
- Clamps the clutch disc during engagement, transmitting engine power to the transmission.
- Lifts away from the flywheel during disengagement, allowing for gear shifting.
Release Bearing
- Connects the rotating clutch pressure plate to the rigid release mechanism.
- Transfers release force to the clutch pressure plate using thrust ball bearings.
Clutch Fork and Connecting Linkage
- Converts clutch pedal movement into clutch throw-out bearing movement.
- Allows the pressure plate's springs to engage the clutch disc to the flywheel.
Bell Housing
- A colloquial term for the transmission portion covering the flywheel and clutch.
- Houses the clutch and associated components.
- Found in vehicles with internal combustion engines.
Clutch Master
- A component in the hydraulic clutch system.
- Acts as a pump, pushing fluid through the system when the clutch pedal is pressed.
- Transfers pressure to the clutch slave cylinder.
Clutch Slave
- Works with the clutch master cylinder to disengage the clutch.
- Receives pressure from the master cylinder and extends a rod.
- Pushing against a fork or lever disengages the clutch.
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