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Automotive Technology: A Systems A...

6th Edition
Jack Erjavec + 1 other
ISBN: 9781133612315

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BuyFindarrow_forward

Automotive Technology: A Systems A...

6th Edition
Jack Erjavec + 1 other
ISBN: 9781133612315
Textbook Problem

Which of the following is an expression of how much of the heat formed during the combustion process is available as power from the engine?

  1. Mechanical efficiency

  • Engine efficiency
  • Volumetric efficiency
  • Thermal efficiency
  • To determine

    The expression of how much of the heat formed during the combustion process is available as power from the engine.

    Explanation

    Efficiency is defined as the ratio of how much useful energy is obtained from a system or machinery by providing the necessary inputs. In the case of the engine, a specific amount of air-fuel mixture is burned by the engine to produce the necessary energy required to propel the vehicle.

    In an internal combustion engine, the power obtained from the engine during the combustion of the air-fuel mixture is termed as thermal efficiency of the engine. During engine operation, most of the heat is dissipated and only a part of it is used to run the vehicle...

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