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Control Systems - Interview Questions and Answers

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1. A good control system has all the following features except
A. good stability
B. slow response
C. good accuracy
D. sufficient power handling capacity
Explanation:
2. Regenerative feedback implies feedback with
A. oscillations
B. step input
C. negative sign
D. positive sign
Explanation:
3. By which of the following the control action is determined when a man walks along a path ?
A. Brain
B. Hands
C. Legs
D. Eyes
Explanation:
4. 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
Explanation:
5. 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
Explanation:
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