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Control Systems

Control Systems
Transient response is improved in case of

 none of these.
 lead network.
 lag network.
 both A and B.

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Control Systems
A unity feed back system has forward transfer function The range of k for the system to be stable is

 0 < k < 39.
 0 < k < 3900.
 0 < k < 390.
None of these

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Control Systems
By using which of the following elements, mechanical translational systems are obtained?

 spring element
 mass element
 dash-pot
All of these

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Control Systems
For a unity feedback control system open loop transfer function then acceleration error constant is

 0.
 infinity.
 20.
 50.

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Control Systems
Lowest critical frequency is due to zero and it may be present at the origin or nearer to the origin, then the type of network is

 RLC circuit.
 RC circuit.
 LC circuit.
 RL Circuit.

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Control Systems
A second order under damped system has damping ratio of 0.3. Find the phase margin of the system?

 30°
 60°
 20°
 3°

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