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Control Systems

Control Systems
Differentiation of parabolic response is a -------------- response?

 impulse
 parabolic
 ramp
 step

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

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Control Systems
The system function N(s) = V(s)/I(s) = (s+3)/(4s+5). The system is initially at rest. If the excitation i(t) is a unit step, which of the following is the final value?

 1/4
 3/5
 0
 1

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Control Systems
The open loop transfer function of a unity feedback system is given by G(s) = 1/(s+2)². The closed loop transfer function will have poles at

 -2+j,-2-j
 -2,2
 -2,-1
 -2,-2

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Control Systems
Transient state analysis depends on which of the following?

 type of system
 order of system
 nether 1 nor 2
 both 1 and 2

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Control Systems
A open loop transfer function is given as G(s) = (s+2)/(s+1)(s-1). Find the number of encirclements about '-1+j0'?

 3
 2
 1
 0

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