Automatic Control Systems A system is highly oscillatory if Gain margin is close to 1 or phase margin is zero Gain margin is high Gain margin is close to 1 Gain margin is high and phase margin is 180° Gain margin is close to 1 or phase margin is zero Gain margin is high Gain margin is close to 1 Gain margin is high and phase margin is 180° ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems If any term in the first column of a Routh array becomes zero, then Routh criterion cannot be used to determine stability Routh criterion can be used by substituting a small positive number for zero and completing 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 negative number for zero and complet-ing the array Routh criterion cannot be used to determine stability Routh criterion can be used by substituting a small positive number for zero and completing 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 negative number for zero and complet-ing the array ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems For any transfer function, the constant phase angle loci are A family of straight lines Neither (a) nor (b) A family of circles Either (a) or (b) A family of straight lines Neither (a) nor (b) A family of circles Either (a) or (b) ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems For type 1 system the velocity lag error is Independent of gain constant Directly proportional to gain constant Inversely proportional to bandwidth of system Inversely proportional to gain constant Independent of gain constant Directly proportional to gain constant Inversely proportional to bandwidth of system Inversely proportional to gain constant ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems In Bode plots the frequency at which two asymptotes meet is called corner frequency. True False True False ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems Which of the following features is not associated with Nichols chart? (0 dB, -180°) point on Nichols chart represent critical Point (-1, 0) It is symmetric about -180° M loci are centred about (0 dB, -180°) point The frequency at intersection of G(j?) locus and M = +3 dB locus gives bandwidth of closed loop system (0 dB, -180°) point on Nichols chart represent critical Point (-1, 0) It is symmetric about -180° M loci are centred about (0 dB, -180°) point The frequency at intersection of G(j?) locus and M = +3 dB locus gives bandwidth of closed loop system ANSWER DOWNLOAD EXAMIANS APP
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