Automatic Control Systems A lead compensator Increases the stability margin and speeds up the transient-response. Speeds up the transient response None of these Increases the stability margin Increases the stability margin and speeds up the transient-response. Speeds up the transient response None of these Increases the stability margin ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems Which dc servomotor requires strongest permanent magnet? Surface wound with stationary rotor Surface wound armature Slotted armature Either A or B Surface wound with stationary rotor Surface wound armature Slotted armature 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 cannot be used to determine stability 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 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 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 can be used by substituting a small negative number for zero and complet-ing the array ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems Integral control action Neither (a) nor (b) Both (a) and (b) May lead to oscillatory response Removes offset Neither (a) nor (b) Both (a) and (b) May lead to oscillatory response Removes offset ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems For any transfer function, the constant phase angle loci are 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) A family of straight lines 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 Both A and B The gain is decreased below lower critical value The gain is increased beyond upper critical value None of these Both A and B The gain is decreased below lower critical value The gain is increased beyond upper critical value None of these ANSWER DOWNLOAD EXAMIANS APP
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