Quiz on CONTROL SYSTEMS
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1. The steady-state error of a feedback control system with an acceleration input becomes finite in a *
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2. An open loop system represented by the transfer function G(s) = (s-1)/(s+2)(s+3) is
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3. The open loop transfer function G(s) of a unity feedback control system is given as,G(s) = [ k(s+2/3) / s^2(s+2) ]. From the root locus, it can be inferred that when k tends to positive infinity,
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4. For a type one system, the steady – state error due to step input is equal to
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5. The equation 2s^4+ s^3+ 3s^2+ 5 s+ 10 =0 has_______roots in the left half of s–plane.
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6. A system with gain margin close to unity or a phase margin close to zero is
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7. Peak overshoot of step-input response of an under-damped second-order system is explicitly indicative of
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8. Polar plot of G( jw) = 1/[jw(1+ jwT]
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9. Introduction of integral action in the forward path of a unity feedback system results in a
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10. A phase lag lead network introduces in the output
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