In which of the following dynamometers does the energy produced by the engine is used for doing work?
(a) Prony brake dynamometer
(b) Rope brake dynamometer
(c) Absorption dynamometer
(d) Epicyclic train dynamometer
I have been asked this question by my college director while I was bunking the class.
I'm obligated to ask this question of Dynamometer in section Brakes and Dynamometers of Machine Dynamics