Control Systems A unity feedback control system has an open loop transfer function G(s) = k/(s(s² + 7s + 12) The gain k for which s = -1 + j1 will lie on the root locus of the system is 5 10 6.5 4 5 10 6.5 4 ANSWER DOWNLOAD EXAMIANS APP
Control Systems Which of the following is/are represents the lead compensator? (s+5)/(s+6) (s+2)/(s+1) (s+2)/(s+5) both 2 and 3 (s+5)/(s+6) (s+2)/(s+1) (s+2)/(s+5) both 2 and 3 ANSWER DOWNLOAD EXAMIANS APP
Control Systems Negative feedback in a closed loop control system reduces sensitivity to parameter variation. All of these reduces gain. improves disturbance rejection. reduces sensitivity to parameter variation. All of these reduces gain. improves disturbance rejection. ANSWER DOWNLOAD EXAMIANS APP
Control Systems If the bandwidth of the system is very large, the system response is independent of bandwidth None of these faster slower independent of bandwidth None of these faster slower ANSWER DOWNLOAD EXAMIANS APP
Control Systems For a second order under damped system subjected to unit step input the time response has first peak value to be 4 times the second over shoot. Determine the damping ratio ξ ? 0.07 0.087 0.707 0.87 0.07 0.087 0.707 0.87 ANSWER DOWNLOAD EXAMIANS APP
Control Systems Time response for a second order control system depends on value of ξ. If ξ>1 then the system is called as over damped system. under damped system. critically damped system. undamped system . over damped system. under damped system. critically damped system. undamped system . ANSWER DOWNLOAD EXAMIANS APP
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