+1 vote
in Machine Dynamics by (34.3k points)
In the given figure if N1 is the node then N1Q acts as which of the following system?

(a) Single rotor system

(b) Two rotor system

(c) Three rotor system

(d) Four rotor system

This question was addressed to me in an online interview.

My doubt is from Free Torsional Vibrations of a Three Rotor System in section Torsional Vibrations of Machine Dynamics

1 Answer

0 votes
by (38.6k points)
Correct choice is (b) Two rotor system

To explain: If N1 is the node in the given figure, then N1 can act as a fixed end of the shaft N1N2 where the rotor is connected at Q and N1, hence it acts like a two rotor system.

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