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Automatic Control Systems
The relative stability of a system is given by
Phase margin alone
Either (a) or (b)
Both phase and gain margins
Gain margin alone
Phase margin alone
Either (a) or (b)
Both phase and gain margins
Gain margin alone
Answer
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Related Question
Automatic Control Systems
If any term in the first column of a Routh array becomes zero, then
Routh criterion can be used by substituting a small negative number for zero and complet-ing the array
Routh criterion can be used by substituting a small positive number for zero and completing the array
Routh criterion cannot be used to determine stability
Routh criterion can be used by substituting a big positive number for zero and completing the array
Routh criterion can be used by substituting a small negative number for zero and complet-ing the array
Routh criterion can be used by substituting a small positive number for zero and completing the array
Routh criterion cannot be used to determine stability
Routh criterion can be used by substituting a big positive number for zero and completing the array
Answer
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Automatic Control Systems
In control systems the output of sensor usually, is
Analog electrical signal
Digital electrical signal
Analog or digital electrical signal
Mechanical signal
Analog electrical signal
Digital electrical signal
Analog or digital electrical signal
Mechanical signal
Answer
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Automatic Control Systems
In force current analogue, mechanical mobility is analogous to
Impedance Z
Reactance X
Conductance G
Admittance Y
Impedance Z
Reactance X
Conductance G
Admittance Y
Answer
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Automatic Control Systems
Nyquist stability criterion uses open loop frequency response characteristics.
True
False
True
False
Answer
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Automatic Control Systems
If the poles lie in second quadrant, damping ratio is
more than 1
1
zero
less than 1
more than 1
1
zero
less than 1
Answer
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