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Control Systems - Interview Questions and Answers

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11. A.C. servomotor resembles
A. two phase induction motor
B. Three phase induction motor
C. direct current series motor
D. universal motor
Explanation:
12. 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
Explanation:
13. A car is rtyining 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
Explanation:
14. In electrical-pneumatic system analogy the current is considered analogous to
A. velocity
B. pressure
C. air flow
D. air flow rate
Explanation:
15. Mass, in force-voltage analogy, is analogous to
A. charge
B. current
C. inductance
D. resistance
Explanation:
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