EXAMIANS
A first order control system is initially at 0 V and subjected to a sudden input at t=0. Its output reaches 1.1 V in 4 sec and eventually reaches steady state of 2 V. Find the time constant?
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A system has poles at 0.01 Hz, 1 Hz and 80 Hz; zeros at 5 Hz, 100 Hz and 200 Hz. The approximate phase of the system response at 20 Hz is
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The characteristic equation of a feedback control system is given by s³ + 5s² + (k + 6)s + k = 0. In the root loci diagram, the asymptotes of the root loci for large 'k' meet at a point in the s-plane whose coordinates are
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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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The characteristic equation of a feedback control is 2s4 + s3 + 3s2 + 5s + 10 = 0. The no of roots in the right half of the s-plane is
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With regard to filtering property, the lead compensator is
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If a circuit consists of two mass elements, two spring elements and four friction elements. Find the order of transfer function?
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A proportional plus derivative controller
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The device necessarily used for automatic temperature control in a furnace is
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Lead network is used to
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