Automatic Control Systems The permanent magnet field system of brushless dc servo- motor is generally on Either (a) or (b) Stator Rotor Partly on stator and partly on rotor Either (a) or (b) Stator Rotor Partly on stator and partly on rotor ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems Integral control action Both (a) and (b) Neither (a) nor (b) Removes offset May lead to oscillatory response Both (a) and (b) Neither (a) nor (b) Removes offset May lead to oscillatory response ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems Transport lag usually exists in Hydraulic systems and thermal systems Thermal systems Pneumatic systems Thermal, hydraulic and pneumatic systems Hydraulic systems and thermal systems Thermal systems Pneumatic systems Thermal, hydraulic and pneumatic systems ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems A system is highly oscillatory if Gain margin is high Gain margin is high and phase margin is 180° Gain margin is close to 1 or phase margin is zero Gain margin is close to 1 Gain margin is high Gain margin is high and phase margin is 180° Gain margin is close to 1 or phase margin is zero Gain margin is close to 1 ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems In the field controlled motor the entire damping comes from Back emf Armature resistance Motor friction and load Field resistance Back emf Armature resistance Motor friction and load Field resistance 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