The ratio of the brake power to the indicated power is called

A. Mechanical efficiency

B. Overall efficiency

C. Indicated thermal efficiency

D. Volumetric efficiency

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  2. The pressure at the end of compression, in petrol engines, is approximately
  3. Does the supply of scavenging air at a density greater than that of atmosphere mean engine is supercharged?
  4. The knock in diesel engine occurs due to
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  13. The term scavenging is generally associated with
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  16. The minimum cranking speed in case of petrol engine is about
  17. Scavenging is usually done to increase
  18. The knocking in spark ignition engines can be reduced by
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  20. In a naturally aspirated diesel engine, the air is supplied by
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