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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 close to 1
Gain margin is high
Gain margin is high and phase margin is 180°
Gain margin is close to 1 or phase margin is zero
Gain margin is close to 1
Gain margin is high
Answer
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Related Question
Automatic Control Systems
The addition of a pole to the open loop transfer function pulls the root locus
To the right
None of these
Towards right or left depending on the position of new pole
To the left and making the system more stable
To the right
None of these
Towards right or left depending on the position of new pole
To the left and making the system more stable
Answer
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Automatic Control Systems
In a simple on-off controller with differential gap, the magnitude of differential gap determines
The level of accuracy
Both (a) and (b)
Neither (a) nor (b)
The life of controller
The level of accuracy
Both (a) and (b)
Neither (a) nor (b)
The life of controller
Answer
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Automatic Control Systems
Transport lag usually exists in
Pneumatic systems
Hydraulic systems and thermal systems
Thermal, hydraulic and pneumatic systems
Thermal systems
Pneumatic systems
Hydraulic systems and thermal systems
Thermal, hydraulic and pneumatic systems
Thermal systems
Answer
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Automatic Control Systems
Which control action can never be used alone?
Integral
Derivative
Proportional
Both (b) and (c)
Integral
Derivative
Proportional
Both (b) and (c)
Answer
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Automatic Control Systems
In root locus analysis the breakaway and break in points
Either lie on the real axis or occur in complex conjugate pairs
lie on the real axis
Always occur in complex conjugate pairs
None of these
Either lie on the real axis or occur in complex conjugate pairs
lie on the real axis
Always occur in complex conjugate pairs
None of these
Answer
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