Control Systems Given a unity feedback system with G(s) = k/s(s+4), the value of k for damping ratio of 0.5 is 64 16 4 1 64 16 4 1 ANSWER DOWNLOAD EXAMIANS APP
Control Systems The transfer function of a phase lead compensator is given by: G(s) = (1 + 3Ts)/(1 + Ts) where T>0. What is the maximum phase shift provided by such a compensator? 90° 45° 60° 30° 90° 45° 60° 30° ANSWER DOWNLOAD EXAMIANS APP
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 6.5 4 5 10 6.5 4 5 10 ANSWER DOWNLOAD EXAMIANS APP
Control Systems The unit impulse response of second order system is 1/6 * e-0.8t sin(0.6t). THen the natural frequency is 2 rad/s 0.8 rad/s 1 rad/s 0.6 rad/s 2 rad/s 0.8 rad/s 1 rad/s 0.6 rad/s ANSWER DOWNLOAD EXAMIANS APP
Control Systems Transient response is improved in case of lead network. none of these. both A and B. lag network. lead network. none of these. both A and B. lag network. ANSWER DOWNLOAD EXAMIANS APP
Control Systems What is the type of closed loop system for the plant transfer function G(s) = k/s²(1+Ts) and with unity feedback? 0 1 3 2 0 1 3 2 ANSWER DOWNLOAD EXAMIANS APP