Related Mcqs:

1. For open control system which of the following statements is incorrect ?

   A. Less expensive
   B. Recalibration is not required for maintaining the required quality of the output
   C. Construction is simple and maintenance easy
   D. Errors are caused by disturbances

2. Which of the following statements is correct for a system with gain margin close to unity or a phase margin close to zero ?

   A. The system is relatively stable
   B. The system is highly stable
   C. The system is highly oscillatory
   D. None of the above

3. Which of the following statements is correct for any closed loop system ?

   A. All the co-efficients can have zero value
   B. All the co-efficients are always non-zero
   C. Only one of the static error co-efficients has a finite non-zero value
   D. None of the above

4. Which of the following is an open loop control system ?

   A. Field controlled D.C. motor
   B. Ward leonard control
   C. Metadyne
   D. Stroboscope

5. A closed loop system is distinguished from open loop system by which of the following ?

   A. Servomechanism
   B. Feedback
   C. Output pattern
   D. Input pattern

6. 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

7. In open loop system_____________?

   A. the control action depends on the size of the system
   B. the control action depends on system variables
   C. the control action depends on the input signal
   D. the control action is independent of the output

8. _______________is an open loop control system?

   A. Ward Leonard control
   B. Field controlled D.C. motor
   C. Stroboscope
   D. Metadyne

9. A car is raining at a constant speed of 50 km/h, which of the following is the feedback element for the driver ?

   A. Clutch
   B. Eyes
   C. Needle of the speedometer
   D. Steering wheel
   F. None of the above

10. The frequency and time domain are related through which of the following ?

    A. Laplace Transform and Fourier Integral
    B. Laplace Transform
    C. Fourier Integral
    D. Either B. or C.