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

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

(a) Torsional brake dynamometer

(b) Prony dynamometer

(c) Belt Transmission dynamometer

(d) Epicyclic train dynamometer

I have been asked this question during an interview.

Asked question is from Types of Dynamometers topic in section Brakes and Dynamometers of Machine Dynamics

1 Answer

0 votes
by (38.6k points)
Correct choice is (b) Prony dynamometer

Easy explanation: 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. Prony brake is an absorption dynamometer.

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