The open loop transfer function of a control system is KR/(1 + TS). This represents ______________?

Related Mcqs:

1. 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

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 feed-back control system G and H denote open loop and close loop transfer functions respectively. The output-input relationship is_____________?

   A. G/(1 + H)
   B. H/(1 + G)
   C. G/H
   D. H/G

4. ____________ stability method uses open loop transfer function?

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

5. 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

6. Routh stability method uses ______________ loop transfer function?

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

7. Characteristic equation is the denominator of ____________ loop transfer function?

   A. Open
   B. Closed
   C. Both A. and B.
   D. Neither A. nor B.

8. Bode stability method uses ____________ loop transfer function?

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

9. The characteristic equation for the control system with a closed loop transfer function G1/1 + G2 is given by 1 + G2 = 0. The characteristic equation for the control system_________________?

   A. Depends only upon the open loop transfer function
   B. Determines its stability
   C. Is the same for set point or load changes
   D. All A , B & C.

10. 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