Automatic Control Systems In the field controlled motor the entire damping comes from Field resistance Back emf Armature resistance Motor friction and load Field resistance Back emf Armature resistance Motor friction and load ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems Integral control action May lead to oscillatory response Neither (a) nor (b) Both (a) and (b) Removes offset May lead to oscillatory response Neither (a) nor (b) Both (a) and (b) Removes offset 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 None of these The gain is increased beyond upper critical value The gain is decreased below lower critical value Both A and B None of these The gain is increased beyond upper critical value The gain is decreased below lower critical value ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems Nichol’s chart is symmetric about – 180° axis. False True False True ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems For type 1 system the velocity lag error is 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 Independent of gain constant Directly proportional to gain constant 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 negative number for zero and complet-ing 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 big 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 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 ANSWER DOWNLOAD EXAMIANS APP
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