Chemical Engineering Thermodynamics

Pick out the correct statement.

  • A. Compression ratio of an Otto engine is comparatively higher than a diesel engine
  • B. Efficiency of an Otto engine is higher than that of a diesel engine for the same compression ratio
  • C. Otto engine efficiency decreases with the rise in compression ratio, due to decrease in work produced per quantity of heat
  • D. Diesel engine normally operates at lower compression ratio than an Otto engine for an equal output of work
Answer: Option B.

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