Automatic Control Systems A lag compensator Improves steady state behavior 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 and speeds up the transient response of the system Improves steady state behavior 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 and speeds up the transient response of the system ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems Which of the following features is not associated with Nichols chart? M loci are centred about (0 dB, -180°) point It is symmetric about -180° (0 dB, -180°) point on Nichols chart represent critical Point (-1, 0) The frequency at intersection of G(j?) locus and M = +3 dB locus gives bandwidth of closed loop system M loci are centred about (0 dB, -180°) point It is symmetric about -180° (0 dB, -180°) point on Nichols chart represent critical Point (-1, 0) The frequency at intersection of G(j?) locus and M = +3 dB locus gives bandwidth of closed loop system ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems Nyquist stability criterion uses open loop frequency response characteristics. False True False True 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 3 and 4 1 and 2 All 1, 2 and 3 3 and 4 1 and 2 All 1, 2 and 3 ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems For type 1 system the velocity lag error is Inversely proportional to gain constant Inversely proportional to bandwidth of system Directly proportional to gain constant Independent of gain constant Inversely proportional to gain constant Inversely proportional to bandwidth of system Directly proportional to gain constant Independent of gain constant 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 Both magnitude and phase relationship of voltages applied to the two stator windings None of these Phase relation of voltages applied to the two stator windings Magnitudes of voltages applied to the two stator windings Both magnitude and phase relationship of voltages applied to the two stator windings None of these Phase relation of voltages applied to the two stator windings ANSWER DOWNLOAD EXAMIANS APP