question_answer

Transmissibility is unity at two points. Which one of the following is true for these two points?

A) \[\frac{\omega }{{{\omega }_{n}}}\] is zero and \[\sqrt{3}\] for all values of damping

B) \[\frac{\omega }{{{\omega }_{n}}}\] is zero and \[\sqrt{2}\] for all values of damping

C) \[\frac{\omega }{{{\omega }_{n}}}\] is unity and 2 for all values of damping

D) \[\frac{\omega }{{{\omega }_{n}}}\] is unity and \[\sqrt{3}\] for all values of damping.