EXAMIANS
The open loop transfer function of a unity feedback control system is given by G(s) = k/s(s+1). If the gain k is increased to infinity, then damping ratio will tend to become
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For a transfer function H (s) = P(s) / Q(s), where P (s) and Q (s) are polynomials in s. Then
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The transfer function of a system given by The system is
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Find the order of a system given by
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In frequency response analysis of second order system, the error at corner frequency is
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A ramp input applied to an unity feedback system results in 5% steady state error. The type number of the system is...........?
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The DC gain of a system represented by the transfer function 12 / {( s + 2 )( s + 3 )} is
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A transfer function has a zero at s = -1 and poles at s = -1 ± j1. The multiplier being unity, if the input is step function, the steady state response is given by
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The phase margin of a system having the loop transfer function G(s)H(s) = 2√3/s(s+1) is
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The second order system defined by 25/(s2 + 5s + 25) is given a step input. The time taken for the output to settle with in 2 % of input is
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