General Science • PhysicsMedium
Which cycle forms the ideal theoretical basis for the operation of a compression-ignition diesel engine?
A. Carnot cycle
B. Otto cycle
C. Diesel cycle✓ Correct Answer
D. Rankine cycle
💡 Solution & Explanation
The Diesel cycle serves as the ideal thermodynamic model for compression-ignition internal combustion engines where ignition occurs through air compression heat. Conversely, the Otto cycle represents spark-ignition engines operating on petrol or gas mixtures. Thermodynamic cycles are standard conceptual topics in engineering aptitude and physics tests.
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