General Studies · IC Engines
What causes the automatic ignition and burning of fuel in a compression ignition (diesel) engine cycle?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1High pressure delivered directly from the roots blower.
- 2An electric spark generated by a spark plug.
- 3Mechanical friction between the piston rings and cylinder wall.
- 4The fuel attaining its ignition temperature from the highly compressed hot air.✓
Correct answer
The fuel attaining its ignition temperature from the highly compressed hot air.
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