Multiple choice general knowledge science & technology

Four stroke -petrol engine uses which cycle for its operation?

  1. Diesel cycle

  2. Rankine cycle

  3. Otto cycle

  4. Carnot cycle
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

A four-stroke petrol engine operates on the Otto cycle, which consists of intake, compression, combustion (at constant volume), and exhaust strokes. The Diesel cycle differs by using constant pressure combustion, while the Rankine cycle applies to steam plants and the Carnot cycle is theoretical.

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