Control Systems Objective Questions & Answers
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Find the type of the system whose G(s) = s+4/s2(s+2)(s+4) = ?
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A controller transfer function is given by C(s) = (1+2s)/(1+0.2s). What is its nature and parameter?
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Sparking between the contacts can be reduced by inserting
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The graph of an electrical network has N nodes and B branches. The number of links, L with respect to the choice of a tree, is given by
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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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None of the poles of a linear control system lie in the right half of s plane. For a bounded input, the output of this system
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With regard to filtering property, the lead compensator is
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First Foster form of a LC network represents which element in the beginning?
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Find the order of a system whose G(s) = s+6/s(s-2)(s-4) = ?
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In force-current analogy, electrical analogous quantity for displacement (x) is
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In the integral control of the single area system frequency error is reduced to zero. Then
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Transfer function of the control system depends on
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The dc gain of a system represented by the transfer function 12 / {( s + 1 )( s + 3 )} is
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F(s) = s2 - 1/-s+8 What type of function is this ?
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In the above question, if a = 0.1, then the steady state error to unity ramp input will be
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A cascade of three linear time invariant systems is causal and unstable. From this we conclude that
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Number of sign changes in the entries in 1st column of Routh array denotes the no. of
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Electrical analogous quantity for spring element (K) in force-voltage analogy is
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Error constants of a system are measure of
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Time response for a second order system depends on the value of τ. If τ= 0 then the system is called as
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Electrical analogous quantity for dash-pot in force-current analogy is
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Based on relation between the arm impedances the filters can be categorized into how many types?
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What is the full form of SPICE ?
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When the polynomial is Hurwitz,
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What is the effect of gain margin when the system gain is doubled?
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A negative feedback closed loop system is supplied to an input of 5 volt. The system has a forward gain of 1 and a feedback gain of 1. What is the output voltage?
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To achieve the optimum transient response, the indicating instruments are so designed as to
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A system of constant voltage and constant frequency is called _________________ system.
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Slope of asymptote in Bode plot of 2nd order system is _____________________ per octave.
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The transfer function of a system given by T(s) = - 100/s2+20s+100, The system is
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Control Systems - 4
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