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Control Systems - Interview Questions and Answers

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81. Which of the following is the non-linearity caused by servomotor ?
A. Static friction
B. Backlash
C. Saturation
D. None of the above
Explanation:
82. When the initial conditions of a system are specified to be zero it implies that the system is
A. at rest without any energy stored in it
B. working normally with reference input
C. working normally with zero reference input
D. at rest but stores energy
Explanation:
83. An amplidyne can give which of the following characteristics ?
A. Constant current
B. Constant voltage
C. Constant current as well as constant voltage
D. Constant current, constant voltage and constant power
Explanation:
84. Which of the following is exhibited by Root locus diagrams ?
A. The poles of the transfer function for a set of parameter values
B. The bandwidth of the system
C. The response of a system to a step input
D. The frequency response of a system
Explanation:
85. A control system working under unknown random actions is called
A. computer control system
B. digital data system
C. stochastic control system
D. adaptive control system
Explanation:
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