General Studies · IC Engine Mechanisms
During the engine operation cycle, which mechanism directly drives and controls the timing of the inlet valve closure?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Helical valve spring expansion
- 2Direct crankshaft counterweight movement
- 3Camshaft profile rotation✓
- 4Connecting rod oscillation
Correct answer
Camshaft profile rotation
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