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The thermal efficiency of diesel engines on weak mixtures is

A. Unaffected

B. Lower

C. Higher

D. Dependent on other factors

Correct Answer : C.


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  7. Air fuel ratio at which a petrol engine cannot work is
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  11. Most high speed compression engines operate on
  12. The effective inhibitor of pre-ignition is
  13. In a four stroke cycle diesel engine, the inlet valve
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  17. A diesel engine is _________ as compared to petrol engine, both running at rated load.
  18. The term scavenging is generally associated with
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  20. Flash point of fuel oil is
  21. The thermodynamic cycle on which the petrol engine works, is
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  26. Compression ratio of I.C. Engines is
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