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Which of the following type of governor cannot be isochronous?

(a) Pickering

(b) Porter

(c) Hartung

(d) Hartnell

This question was posed to me in a dream while sleeping

Question is taken from Isochronous Governor topic in division Governors of Machine Dynamics

1 Answer

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by (38.6k points)
Right answer is (b) Porter

The explanation is: For a porter governor it is impossible to have the two balls moving at the same speed, thus the range cannot be 0 which makes it impossible to be an isochronous governor.

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