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In which of the following dynamometers does the entire energy or power produced by the engine is absorbed by the friction resistances of the brake?

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in Machine Dynamics by (34.3k points)
In which of the following dynamometers does the entire energy or power produced by the engine is absorbed by the friction resistances of the brake?

(a) Prony brake dynamometer

(b) Torsional dynamometer

(c) Epicyclic train dynamometer

(d) Belt transmission dynamometer

The question was posed to me in exam.

I'm obligated to ask this question of Dynamometer in section Brakes and Dynamometers of Machine Dynamics

1 Answer

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by (38.6k points)
Right choice is (a) Prony brake dynamometer

For explanation: Prony brake dynamometer is an absorption dynamometer, in absorption dynamometers the entire energy or power produced by the engine is absorbed by the friction resistances of the brake and is transformed into heat.

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