A spark plug is not necessary in a diesel engine because

1.	A spark plug is not necessary in a diesel engine because
Answer» <html><body><p><a href="https://interviewquestions.tuteehub.com/tag/diesel-439168" style="font-weight:bold;" target="_blank" title="Click to know more about DIESEL">DIESEL</a> is more <a href="https://interviewquestions.tuteehub.com/tag/volatilebrbr-3264686" style="font-weight:bold;" target="_blank" title="Click to know more about VOLATILE">VOLATILE</a> than petrol<br/>diesel has a lower ignition temperature than petrol<br/>calorific <a href="https://interviewquestions.tuteehub.com/tag/value-1442530" style="font-weight:bold;" target="_blank" title="Click to know more about VALUE">VALUE</a> of diesel is more than that of petrol<br/>None of these</p>Solution :<a href="https://interviewquestions.tuteehub.com/tag/due-433472" style="font-weight:bold;" target="_blank" title="Click to know more about DUE">DUE</a> to higher compression ratio in diesel <a href="https://interviewquestions.tuteehub.com/tag/engine-25861" style="font-weight:bold;" target="_blank" title="Click to know more about ENGINE">ENGINE</a> the compressed air gets heated up to such a high temperature that the sprayed fuel catches fire on its own</body></html>

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