Automatic Control Systems If any term in the first column of a Routh array becomes zero, then Routh criterion can be used by substituting a small negative number for zero and complet-ing the array Routh criterion can be used by substituting a big positive number for zero and completing the array Routh criterion can be used by substituting a small positive number for zero and completing the array Routh criterion cannot be used to determine stability Routh criterion can be used by substituting a small negative number for zero and complet-ing the array Routh criterion can be used by substituting a big positive number for zero and completing the array Routh criterion can be used by substituting a small positive number for zero and completing the array Routh criterion cannot be used to determine stability ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems DC tachogenerator can be used in Position control system Neither A nor B Both A and B Speed control system Position control system Neither A nor B Both A and B Speed control system ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems Gain margin and phase margin can be determined from Bode plots as well as Nyquist plot. True False True False ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems Nichols chart consists of Constant phase angle loci Constant magnitude loci None of these Magnitude and phase angle loci in log-magnitude versus phase diagram Constant phase angle loci Constant magnitude loci None of these Magnitude and phase angle loci in log-magnitude versus phase diagram ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems A lag compensator Improves steady state behavior and preserves the transient response of the system Improves steady state behavior and speeds up 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 preserves the transient response of the system Improves steady state behavior and speeds up the transient response of the system Speeds up the transient response of the system Improves steady state behavior of the system 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