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.Management Sciences
Category: Control Systems
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
F. None of the above
_____________is the reference input minus the primary feedback?
A. Manipulated variable
B. Zero sequence
C. Actuating signal
D. Primary feedback
Which of the following is the best method for determining the stability and transient response ?
A. Root locus
B. Bode plot
C. Nyquist plot
D. None of the above
technique gives quick transient and stability response______________?
A. Root locus
B. Bode
C. Nyquist
D. Nichols
The position and velocity errors of a type-2 system are_____________?
A. constant, constant
B. constant, infinity
C. zero, constant
D. zero, zero
Which of the following should be done to make an unstable system stable ?
A. The gain of the system should be decreased
B. The gain of the system should be increased
C. The number of poles to the loop transfer function should be increased
D. The number of zeros to the loop transfer function should be increased
An automatic toaster is a ___________ loop control system?
A. open
B. closed
C. partially closed
D. any of the above
In order to increase the damping of a badly underdamped system which of following compensators may be used ?
A. Phase-lead
B. Phase-lag
C. Both A. and B.
D. Either A. and B.
F. None of the above
Spring constant in force-voltage analogy is analogous to_____________?
A. capacitance
B. reciprocal of capacitance
C. current
D. resistance
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