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Control Systems Engineering, 3rd Edition by S. K. Bhattacharya

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Appendix 4

Objective Type Questions

A4.1  INTRODUCTION

Q.1   State whether the following statements are True or False.

  1. Feedback control systems are also referred to as closed-loop control systems
  2. A washing machine where the washing is done on a time basis through a timer is an example of closed-loop control system
  3. In an open-loop the control operation is independent of the output
  4. In an error detector the feedback signal is added with the reference signal to obtain error signal
  5. A refrigerator is an example of closed-loop control system
  6. Performance of an open-loop system depends on the settings of the system components
  7. Fixed-time traffic light control system is an example of closed-loop control system
  8. In a linear system the response produced by ...

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