Consider the following figure is shown below, which of the following is/are true?
Where ξ is the damping factor, ET is machine transmissibility
1
ζ1 < ζ2
2
ξ1 > ξ2
3
If \(\frac{w}{{{w_n}}} > \sqrt 2 \), the machine plays a supporting role
4
If \(\frac{w}{{{w_n}}} < \sqrt 2 \) the machine plays a supporting role