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Control Systems - Interview Questions and Answers

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76. Which of the following can be measured by the use of a tacho-generator ?
A. Acceleration
B. Speed
C. Speed and acceleration
D. Displacement
Explanation:
77. In a stable control system saturation can cause which of the following ?
A. Low-level oscillations
B. High-level oscillations
C. Conditional stability
D. Overdamping
Explanation:
78. The output of a feedback control system must be a function of
A. reference and output
B. reference and input
C. input and feedback signal
D. output and feedback signal
Explanation:
79. The effect of error damping is to
A. provide larger settling lime
B. delay the response
C. reduce steady state error
D. any of the above
Explanation:
80. With feed back _____ reduces.
A. system stability
B. system gain
C. system stability and gain
D. none of the above
Explanation:
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