Automatic Control Systems For a stable system having two or more gain crossover frequencies the phase margin is measured at the highest crossover frequency. False True False True ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems A lag compensator Improves steady state behavior of the system Improves steady state behavior and speeds up the transient response of the system Improves steady state behavior and preserves the transient response of the system Speeds up the transient response of the system Improves steady state behavior of the system Improves steady state behavior and speeds up the transient response of the system Improves steady state behavior and preserves the transient response of the system Speeds up the transient response of the system ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems The addition of a pole to the open loop transfer function pulls the root locus To the right To the left and making the system more stable Towards right or left depending on the position of new pole None of these To the right To the left and making the system more stable Towards right or left depending on the position of new pole None of these ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems The distance of poles from origin depends on Uqndamped natural frequency Both A and B Neither A nor B Damping ratio Uqndamped natural frequency Both A and B Neither A nor B Damping ratio ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems In a two phasor servomotor, the direction of rotation of the rotating field depends on Magnitudes of voltages applied to the two stator windings Phase relation of voltages applied to the two stator windings None of these Both magnitude and phase relationship of voltages applied to the two stator windings Magnitudes of voltages applied to the two stator windings Phase relation of voltages applied to the two stator windings None of these Both magnitude and phase relationship of voltages applied to the two stator windings ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems Which of the following can be used as a rotating amplifier in a control system? 1. Amplidyne 2. Separately excited dc generator 3. Synchro 4. Self excited dc generator 1 and 2 3 and 4 All 1, 2 and 3 1 and 2 3 and 4 All 1, 2 and 3 ANSWER DOWNLOAD EXAMIANS APP