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Automatic Control Systems
For any transfer function, the constant phase angle loci are
Neither (a) nor (b)
A family of straight lines
Either (a) or (b)
A family of circles
Neither (a) nor (b)
A family of straight lines
Either (a) or (b)
A family of circles
Answer
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Related Question
Automatic Control Systems
In a two phasor servomotor, the direction of rotation of the rotating field depends on
None of these
Phase relation of voltages applied to the two stator windings
Both magnitude and phase relationship of voltages applied to the two stator windings
Magnitudes of voltages applied to the two stator windings
None of these
Phase relation of voltages applied to the two stator windings
Both magnitude and phase relationship of voltages applied to the two stator windings
Magnitudes of voltages applied to the two stator windings
Answer
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Automatic Control Systems
The distance of poles from origin depends on
Uqndamped natural frequency
Both A and B
Damping ratio
Neither A nor B
Uqndamped natural frequency
Both A and B
Damping ratio
Neither A nor B
Answer
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Automatic Control Systems
M circles are symmetrical with respect to
M = 1 straight line
M = 1 straight line and imaginary axis
M = 1 straight line and real axis
Real and imaginary axis
M = 1 straight line
M = 1 straight line and imaginary axis
M = 1 straight line and real axis
Real and imaginary axis
Answer
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Automatic Control Systems
In a simple on-off controller with differential gap, the magnitude of differential gap determines
Both (a) and (b)
The level of accuracy
The life of controller
Neither (a) nor (b)
Both (a) and (b)
The level of accuracy
The life of controller
Neither (a) nor (b)
Answer
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Automatic Control Systems
Gain margin and phase margin can be determined from Bode plots as well as Nyquist plot.
True
False
True
False
Answer
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