Automatic Control Systems The relative stability of a system is given by Phase margin alone Either (a) or (b) Both phase and gain margins Gain margin alone Phase margin alone Either (a) or (b) Both phase and gain margins Gain margin alone ANSWER DOWNLOAD EXAMIANS APP
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 Nyquist stability criterion uses open loop frequency response characteristics. True False True False ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems Lag compensation permits a high gain at low frequencies. False True False True ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems Integral control action May lead to oscillatory response Both (a) and (b) Removes offset Neither (a) nor (b) May lead to oscillatory response Both (a) and (b) Removes offset Neither (a) nor (b) ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems For any transfer function, the constant phase angle loci are A family of straight lines Either (a) or (b) Neither (a) nor (b) A family of circles A family of straight lines Either (a) or (b) Neither (a) nor (b) A family of circles ANSWER DOWNLOAD EXAMIANS APP