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Control Systems

Control Systems
The impulse response of the system described by the differential equation will be

 (1/3) × (1-e-3t).
 e-3t u(t).
 1/3.
 e6t.

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Control Systems
A control system has open loop transfer function G(s) = k/(s(s + 2). Find the break away point?

 2
 1
 -2
 -1

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Control Systems
A property of phase lead compensation is that the

 rise time of closed loop system is reduced.
 gain margin is reduced.
 bandwidth of closed loop system is reduced.
 overshoot is increased.

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Control Systems
A second order control system has F(jω) = 100/(100 - ω² + 10√2 jω). Find the resonant peak?

 1.5
 0.5
 0.707
 1

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Control Systems
Which of the following is/are the disadvantages of an open loop control system?

 Unreliable.
 both 1 and 2.
None of these
 Inaccurate.

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Control Systems
A box which tells the effect of inputs on control sub system is known as

 Logical box.
 Decision box.
 State box.
 Data Box.

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