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The method for determination of indicated power of multi-cylinder engine is:

  • A.Morse test
  • B.Prony brake test
  • C.Heat balance test
  • D.Impact test

Answer: A

The method is the Morse test.

In the Morse test on a multi-cylinder engine running at constant speed, each cylinder is cut out in turn and the fall in brake power is measured. That fall equals the indicated power of the cut-out cylinder, and the sum over all cylinders gives the engine's indicated power.

A Prony brake measures brake power, a heat balance test accounts for the energy of the fuel, and an impact test measures a material's toughness.

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