signal will become zero when the feedback signal and reference signs are equal?

Related Mcqs:

1. A signal other than the reference input that tends to affect the value of controlled variable is known as_________________?

   A. disturbance B. command C. control element D. reference input...

2. _____________is the reference input minus the primary feedback?

   A. Manipulated variable B. Zero sequence C. Actuating signal D. Primary feedback...

3. Regenerative feedback implies feedback with_______________?

   A. oscillations B. step input C. negative sign D. positive sign...

4. Any externally introduced signal affecting the controlled output is called a______________?

   A. feedback B. stimulus C. signal D. gain control...

5. Static error coefficients are used as a measure of the effectiveness of closed loop systems for specified ___________ input signal?

   A. acceleration B. velocity C. position D. all of the above...

6. 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...

7. In closed loop control system, with positive value of feedback gain the overall gain of the system will______________?

   A. decrease B. increase C. be unaffected D. any of the above...

8. The output of a feedback control system must be a function of_________________?

   A. reference and output B. reference and input F. input and feedback signal D. output and feedback signal...

9. The transient response, with feedback system_____________?

   A. rises slowly B. rises quickly C. decays slowly D. decays quickly...

10. As a result of introduction of negative feedback which of the following will not decrease ?

    A. Band width B. Overall gain C. Distortion D. Instability...