Multiple choice

Which of the following mechanisms is used in diesel engine?

  1. Spark plug

  2. Propeller

  3. Compression

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

Diesel engines operate on the principle of compression ignition, where air is compressed to a high temperature, causing the injected fuel to ignite spontaneously. They do not use spark plugs.

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