Exam Questions Papers - Engineering

Q1:

The feedback control system shown in figure is stable for what values of K and T?

A K < 0, T > - 1

B K > 0, T > 0

C K > 0, T > - 1

D K < 0, T > 0

ANS:C - K > 0, T > - 1

Apply Routh Hurwitz criteria.