General Studies · IC Engine Components
What parameters primarily control the mechanical 'timing of breathing' (valve opening and closing) of a conventional internal combustion engine?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1The engine's lubrication oil pressure pump capacity.
- 2The cetane or octane rating quality of the fuel used.
- 3The instantaneous operating temperature of the engine coolant.
- 4The profile shape and phase angle of the cams on the camshaft.✓
Correct answer
The profile shape and phase angle of the cams on the camshaft.
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