Automatic Control Systems The permanent magnet field system of brushless dc servo- motor is generally on Either (a) or (b) Rotor Partly on stator and partly on rotor Stator Either (a) or (b) Rotor Partly on stator and partly on rotor Stator ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems Integral control action 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 May lead to oscillatory response ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems In the field controlled motor the entire damping comes from Back emf Motor friction and load Field resistance Armature resistance Back emf Motor friction and load Field resistance Armature resistance ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems For type 1 system the velocity lag error is Inversely proportional to gain constant Independent of gain constant Inversely proportional to bandwidth of system Directly proportional to gain constant Inversely proportional to gain constant Independent of gain constant Inversely proportional to bandwidth of system Directly proportional to gain constant ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems For a stable system having two or more gain crossover frequencies the phase margin is measured at the highest crossover frequency. True False True False 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 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 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 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 ANSWER DOWNLOAD EXAMIANS APP
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