The root locus method, a pole of a transfer function G(s) is the value of s for which G(s) approaches ___________________?

Related Mcqs:

1. The open loop transfer function of a process is K [{(s + 1) (s + 4)}/{(s + 2) (s + 3)}]. In the root locus diagram, the poles will be at ___________________?

   A. -1, -4 B. 1, 4 C. -2, -3 D. 2, 3...

2. The root locus plot of the roots of the characteristics equation of a closed loop system having the open loop transfer function K (s + 1)/[2 (2s + 1) (3s + 1)] will have a definite number of loci for variation of K from 0 to ∞. The number of loci is_______________?

   A. 1 B. 2 C. 3 D. 4...

3. In a closed loop system, the process to be controlled is an integrating process with transfer function 1/2s. The controller proposed to be used in an integral controller with transfer function 1/T1s. When a step change in set point is applied to such a closed loop system, the controlled variable will exhibit__________________?

   A. Overdamped response B. Underdamped response C. Undamped response D. Unstable response...

4. For two non-interacting first order systems connected in series, the overall transfer function is the ______________ of the individual transfer functions?

   A. Product B. Ratio C. Sum D. Difference...

5. The second order system with the transfer function 4/(s2 + 2s + 4) has a damping ratio of ___________________?

   A. 2.0 B. 0.5 C. 1.0 D. 4.0...

6. ____________ stability method uses open loop transfer function?

   A. Nyquist B. Mikhailov C. Ruth D. None of these...

7. Bode stability method uses ____________ loop transfer function?

   A. Open B. Closed C. Either A. or B. D. Neither A. nor B....

8. Routh stability method uses ______________ loop transfer function?

   A. Open B. Closed C. Either A. or B. D. Neither A. nor B....

9. The initial value (t = 0) of the unit step response of the transfer function [(s + 1)/(2s + 1)] is__________________?

   A. 0 B. ½ C. 1 D. 2...

10. The frequency response of a dynamic element shows a constant magnitude ratio at all frequencies. The element exhibits a negative phase shift at all frequencies. The absolute value of the phase shift increases linearly with frequency. The element has the transfer function ?

    A. e-ηS B. (T1S + 1)/(T2S + 1) C. (T1S/(T2S + 1) D. (T1S + 1)/(T2S...