A system with transfer function [(2S/4S) + 1] is of _____________ order?

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. 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

3. The transfer function of a first order system is______________?

   A. 1/(Ts + 1)
   B. 1/Ts
   C. s/(Ts + 1)
   D. None of these

4. The transfer function of a second order system is _____________________?

   A. 1/(T2s2 + 2ξTs + 1)
   B. 1/(T2s2 + 2Ts + 1)
   C. 1/(T2s2 + 2ξT + 1)
   D. None of these

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. In a single tank system, the transfer function of _____________ to inlet flow rate is 1/(TS+1)?

   A. Outlet flow rate
   B. Level
   C. Both A. & B.
   D. Neither A. nor B.

7. The unit step response of the transfer function (2s – 1)/[(3s + 1) (4s + 1)] reaches its final steady state asymptotically after _____________?

   A. A monotonic increase
   B. A monotonic decrease
   C. Initially increasing and then decreasing
   D. Increasing decreasing and then increasing

8. The experimental response of the controlled variable y(t) for a step change of magnitude ‘P’ in the manipulated variable x(t) is shown below: The appropriate transfer function of the process is_________________?

   A. (Q/P) e-(Q/R)S/(TdS + 1)
   B. (Q/R) e-TdS/(Q/P) (S + 1)
   C. (Q/P) e-TdS/(Q/R) (S + 1)
   D. (Q/R) e-(P/Q)S/(TdS + 1)

9. Routh stability method uses ______________ loop transfer function?

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

10. Number of poles in a system with transfer function 1/(s2 + 2s2 + 1) is ________________?

    A. 2
    B. 5
    C. 3
    D. 1