Automatic Control Systems The relative stability of a system is given by Both phase and gain margins Phase margin alone Gain margin alone Either (a) or (b) Both phase and gain margins Phase margin alone Gain margin alone Either (a) or (b) 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 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 Routh criterion cannot be used to determine stability 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 A conditionally stable system is stable for the value of gain between two critical values. It is unstable if The gain is decreased below lower critical value The gain is increased beyond upper critical value Both A and B None of these The gain is decreased below lower critical value The gain is increased beyond upper critical value Both A and B None of these ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems Nichols chart consists of Constant phase angle loci None of these Magnitude and phase angle loci in log-magnitude versus phase diagram Constant magnitude loci Constant phase angle loci None of these Magnitude and phase angle loci in log-magnitude versus phase diagram Constant magnitude loci ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems Magnetic amplifier is used for Current amplification Power amplification Frequency amplification Voltage amplification Current amplification Power amplification Frequency amplification Voltage amplification ANSWER DOWNLOAD EXAMIANS APP
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