A differentiator is usually not a part of a control system because it______________?

Related Mcqs:

1. In an open loop control system____________?

   A. Output is independent of control input
   B. Output is dependent on control input
   C. Only system parameters have effect on the control output
   D. None of the above

2. Which of the following should be done to make an unstable system stable ?

   A. The gain of the system should be decreased
   B. The gain of the system should be increased
   C. The number of poles to the loop transfer function should be increased
   D. The number of zeros to the loop transfer function should be increased

3. The band width, in a feedback amplifier_______________?

   A. remains unaffected
   B. decreases by the same amount as the gain increase
   C. increases by the sane saaaajajt as the gain decrease
   D. decreases by the same amount as the gain decrease

4. In a stable control system backlash can cause which of the following ?

   A. Underdamping
   B. Overdamping
   C. Poor stability at reduced values of open loop gain
   D. Low-level oscillations

5. The temperature, under thermal and electrical system analogy, is considered analogous to_______________?

   A. voltage
   B. current
   C. capacitance
   D. charge
   F. none of the above

6. ______________By which of the following the system response can be tested better ?

   A. Ramp input signal
   B. Sinusoidal input signal
   C. Unit impulse input signal
   D. Exponentially decaying signal

7. In a system low friction co-efficient facilitates___________?

   A. reduced velocity lag error
   B. increased velocity lag error
   C. increased speed of response
   D. reduced time constant of the system

8. Velocity error constant of a system is measured when the input to the system is unit ___________ function?

   A. parabolic
   B. ramp
   C. impulse
   D. step

9. Addition of zeros in transfer function causes which of the following ?

   A. Lead-compensation
   B. Lag-compensation
   C. Lead-lag compensation
   D. None of the above

10. Which of the following is the non-linearity caused by servomotor ?

    A. Static friction
    B. Backlash
    C. Saturation
    D. None of the above