The number of spark plugs needed in a diesel engine is__________?
Correct answer: C. 0
- A. 2
- B. 3
- C. 0
- D. 4
- E. None of these
Explanation
A diesel engine ignites fuel through the heat produced by compressing air, so it does not need spark plugs. Spark plugs are used in petrol engines for electrical ignition.
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