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Automatic Control Systems
Nichols chart consists of
None of these
Magnitude and phase angle loci in log-magnitude versus phase diagram
Constant phase angle loci
Constant magnitude loci
None of these
Magnitude and phase angle loci in log-magnitude versus phase diagram
Constant phase angle loci
Constant magnitude loci
Answer
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Related Question
Automatic Control Systems
M circles are symmetrical with respect to
Real and imaginary axis
M = 1 straight line and imaginary axis
M = 1 straight line
M = 1 straight line and real axis
Real and imaginary axis
M = 1 straight line and imaginary axis
M = 1 straight line
M = 1 straight line and real axis
Answer
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Automatic Control Systems
Nyquist stability criterion uses open loop frequency response characteristics.
False
True
False
True
Answer
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Automatic Control Systems
A lag compensator
Speeds up the transient response of the system
Improves steady state behavior and speeds up the transient response of the system
Improves steady state behavior and preserves the transient response of the system
Improves steady state behavior of the system
Speeds up the transient response of the system
Improves steady state behavior and speeds up the transient response of the system
Improves steady state behavior and preserves the transient response of the system
Improves steady state behavior of the system
Answer
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Automatic Control Systems
The poles with greater displacement from the real axis correspond to
Stable response
Higher frequencies of oscillations
Lower frequencies of oscillations
Unbounded output
Stable response
Higher frequencies of oscillations
Lower frequencies of oscillations
Unbounded output
Answer
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Automatic Control Systems
A system is highly oscillatory if
Gain margin is high and phase margin is 180°
Gain margin is close to 1 or phase margin is zero
Gain margin is high
Gain margin is close to 1
Gain margin is high and phase margin is 180°
Gain margin is close to 1 or phase margin is zero
Gain margin is high
Gain margin is close to 1
Answer
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