Control Systems The open loop transfer function of a unity feedback control system is given by G(s) = k/s(s+1). If gain k is increased to infinity, then damping ratio will tend to become infinite zero unity 0.707 infinite zero unity 0.707 ANSWER DOWNLOAD EXAMIANS APP
Control Systems In polar plots if the critical point '-1+j0' is enclosed then the system is -------- marginally stable stable critical stable unstable marginally stable stable critical stable unstable ANSWER DOWNLOAD EXAMIANS APP
Control Systems Angle of asymptotes for complimentary root locus is (2q)*180/(P-Z) (2q)*180/P (2q+1)*180/(P-Z) (2q+1)*180/P (2q)*180/(P-Z) (2q)*180/P (2q+1)*180/(P-Z) (2q+1)*180/P ANSWER DOWNLOAD EXAMIANS APP
Control Systems A second order under damped system has damping ratio of 0.3. Find the phase margin of the system? 20° 3° 60° 30° 20° 3° 60° 30° ANSWER DOWNLOAD EXAMIANS APP
Control Systems Which of the following is the correct expression for the transfer function of an electrical RC phase lag compensating network? RC/(1+RCS) 1/(1+RCS) RCS/(1+RCS) C/(1+RCS) RC/(1+RCS) 1/(1+RCS) RCS/(1+RCS) C/(1+RCS) ANSWER DOWNLOAD EXAMIANS APP
Control Systems The transfer function of a plant is T(s) = 5/(s+5)(s² + 5 + 1). The second order approximation of T(s) using dominant pole concept is 1/(s² + 5 + 1) 5/(s+1)(s+5) 5/(s² + 5 + 1) 1/(s+1)(s+5) 1/(s² + 5 + 1) 5/(s+1)(s+5) 5/(s² + 5 + 1) 1/(s+1)(s+5) ANSWER DOWNLOAD EXAMIANS APP