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Control Systems

Control Systems
Type and order of transfer function G (s) = K / {s(s + 2)}

 1, 1.
 1, 2.
 2, 1.
 0, 2.

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Control Systems
What is the order of a closed loop control system for a plant with a transfer function equal to G(s) = k/s²(1+Ts) and with unity feedback

 0
 3
 1
 2

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Control Systems
Consider a point S = -3 + j4 in the s-plane. Then for a system with the open loop transfer function ?

 S is not on root locus
 either 1 or 2
 S is on root locus
None of these

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Control Systems
A proportional plus derivative controller

 increases the stability of the system
 has high sensitivity
 improves the steady state accuracy
 both 1 and 2

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

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

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Control Systems
Accurate and reliable output is possible with which of the following system?

 Both 1 and 2
 Closed loop control system
None of these
 Open loop control system

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