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.Management Sciences
Category: Control Systems
The transient response of a system is mainly due to________________?
A. inertia forces
B. internal forces
C. stored energy
D. friction
The output of a feedback control system must be a function of_________________?
A. reference and output
B. reference and input
F. input and feedback signal
D. output and feedback signal
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
F. none of the above
A differentiator is usually not a part of a control system because it______________?
A. reduces damping
B. reduces the gain margin
C. increases input noise
D. increases error
Velocity error constant of a system is measured when the input to the system is unit ___________ function?
A. parabolic
B. ramp
C. impulse
D. step
A.C. servomotor is basically a____________?
A. universal motor
B. single phase induction motor
C. two phase induction motor
D. three phase induction motor
Which of the following is the output of a thermocouple ?
A. Alternating current
B. Direct current
C. A.C. voltage
D. D.C. voltage
F. None of the above
Zero initial condition for a system means_______________?
A. input reference signal is zero
B. zero stored energy
C. ne initial movement of moving parts
D. system is at rest and no energy is stored in any of its components
Addition of zeros in transfer function causes which of the following ?
A. Lead-compensation
B. Lag-compensation
C. Lead-lag compensation
D. None of the above
In a control system the output of the controller is given to_____________?
A. final control element
B. amplifier
C. comparator
D. sensor
F. none of the above
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