Stabilising time for the controllers is the time required for the response to reach _____________ percent of its ultimate value?

Related Mcqs:

1. ______________ controller has the maximum stabilising time?

   A. P
   B. PD
   C. PI
   D. PID

2. Positioning controllers are used for _______________?

   A. Low loads
   B. Temperature changes
   C. High loads
   D. Flow rate changes

3. On-off controllers are normally used for________________?

   A. Low loads
   B. Temperature changes
   C. Flow rate changes
   D. None of these

4. Process degree of freedom indicates _______________ number of controllers to be used?

   A. The maximum
   B. The minimum
   C. Both maximum and the minimum
   D. Nothing about the

5. Which of the following controllers has the least maximum deviation ?

   A. P-controller
   B. P-I controller
   C. P-I-D controller
   D. P-D controller

6. Which of the following controllers has maximum offset ?

   A. P-controller
   B. P-I controller
   C. P-D controller
   D. P-I-D controller

7. Response of a system to a sinusoidal input is called _____________ response?

   A. Impulse
   B. Unit step
   C. Frequency
   D. None of these

8. 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

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