CONTROL SYSTEMS QUIZ

 both 1 and 3

 sin-1((1 - α)/(1 + α)

 cos-1((1 - α)/(1 + α)

 tan-1((1 - α)/(2√α)

  under damped system.

  over damped system.

  critically damped system.

  undamped system.

 ω = 0 rad/sec.

 ω = √K rad/sec.

 ω = K rad/sec.

 ω = K2 rad/sec.

 Steady state response

 Transient response

None of these

 Both 1 and 2

 3

 2

 4

 1

 PM - ve.

 GM -ve.

 GM and PM both +ve.

 GM and PM both -ve.

 the degree of P (s) and Q (s) are same.

  degree of P (s) is independent of degree of Q (s).

 maximum degree of P (s) and Q (s) differ at most by one.

 the degree of P (s) is always greater than the degree of Q (s).

 (s+4)/(3s+6)

 (4s+2)/(6s+1)

 (s+4)/(s+6)

 1/s

 5/(s+1)(s+5)

 5/(s² + 5 + 1)

 1/(s+1)(s+5)

 1/(s² + 5 + 1)

 1

 3

 0

 2