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Control Systems
A system of constant voltage and constant frequency is called _________________ system.
None of these
zero.
feedback.
infinite.
None of these
zero.
feedback.
infinite.
Answer
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Related Question
Control Systems
The steady state error due to ramp input for a type two system is equal to
non zero number.
zero.
constant.
infinite.
non zero number.
zero.
constant.
infinite.
Answer
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Control Systems
The transfer function of a system is 10/(1 + S) when operated as a unity feedback system, the steady state error to a unit step input will be
1/11.
Zero.
10.
¾.
1/11.
Zero.
10.
¾.
Answer
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Control Systems
The transfer function of a plant is T(s) = 5/(s+5)(s² + 5 + 1). The second order approximation of T(s) using dominant pole concept is
1/(s+1)(s+5)
1/(s² + 5 + 1)
5/(s+1)(s+5)
5/(s² + 5 + 1)
1/(s+1)(s+5)
1/(s² + 5 + 1)
5/(s+1)(s+5)
5/(s² + 5 + 1)
Answer
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Control Systems
A cascade of three linear time invariant systems is causal and unstable. From this we conclude that
at least one system is unstable and at least one system is causal.
the majority are unstable and the majority are causal.
at least one system is causal and all systems are unstable.
each system in the cascade is individually caused and unstable.
at least one system is unstable and at least one system is causal.
the majority are unstable and the majority are causal.
at least one system is causal and all systems are unstable.
each system in the cascade is individually caused and unstable.
Answer
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Control Systems
The phase of lead compensator of the system G ( s ) = ( s + a ) / ( s + b ) is at its maximum at:
a / b.
ab.
√( a / b).
√( ab ).
a / b.
ab.
√( a / b).
√( ab ).
Answer
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