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ASVAB · General

What does the clutch do in a manual transmission vehicle?

Correct answer

Engages and disengages the engine from the transmission, allowing gear changes

  1. A Applies the brakes
  2. B Engages and disengages the engine from the transmission, allowing gear changes
  3. C Steers the vehicle
  4. D Charges the battery

Why this is the answer

The CLUTCH engages and disengages the engine from the transmission, allowing the driver to CHANGE GEARS smoothly and to stop without stalling. ASVAB Auto Information tests the manual drivetrain. Pressing the clutch pedal DISENGAGES the engine from the transmission (so you can shift gears or stop); releasing it re-engages the connection. The clutch uses friction plates. Automatic transmissions use a torque converter instead of a clutch pedal. Knowing the clutch's role (connecting/disconnecting engine and transmission for shifting) is commonly tested.
Source: ASVAB Auto Information — Clutch

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