Control Systems The open loop transfer function of a unity feedback control system is given by G(s) = k/s(s+1). If the gain k is increased to infinity, then damping ratio will tend to become 0.707 unity zero infinite 0.707 unity zero infinite ANSWER DOWNLOAD EXAMIANS APP
Control Systems The step response of the system described by the differential equation will be e-3t u(t). (1/6)*(1-e-6t). e6t. non of above. e-3t u(t). (1/6)*(1-e-6t). e6t. non of above. ANSWER DOWNLOAD EXAMIANS APP
Control Systems Negative feedback in a closed loop control system reduces sensitivity to parameter variation. reduces gain. improves disturbance rejection. All of these reduces sensitivity to parameter variation. reduces gain. improves disturbance rejection. All of these ANSWER DOWNLOAD EXAMIANS APP
Control Systems The second order system defined by 25/(s2 + 5s + 25) is given a step input. The time taken for the output to settle with in 2 % of input is 1.2 sec. 2 sec. 1.6 sec. 0.4 sec. 1.2 sec. 2 sec. 1.6 sec. 0.4 sec. ANSWER DOWNLOAD EXAMIANS APP
Control Systems Force balancing equation for elastic element (K) is (where, x = displacement) K d2x/dt2 K *x None of these K dx/dt K d2x/dt2 K *x None of these K dx/dt ANSWER DOWNLOAD EXAMIANS APP
Control Systems Adding a pole to a system transfer function in terms of compensator represents a --------------- compensator ? lag-lead lag lead lead-lag lag-lead lag lead lead-lag ANSWER DOWNLOAD EXAMIANS APP