Automatic Control Systems Nichol’s chart is symmetric about – 180° axis. False True False True ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems In the field controlled motor the entire damping comes from Motor friction and load Field resistance Armature resistance Back emf Motor friction and load Field resistance Armature resistance Back emf 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. False True False True ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems Robotic manipulator arms mostly use None of these Electric motor actuator Hydraulic actuator Pneumatic actuator None of these Electric motor actuator Hydraulic actuator Pneumatic actuator ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems Which dc servomotor requires strongest permanent magnet? Either A or B Slotted armature Surface wound with stationary rotor Surface wound armature Either A or B Slotted armature Surface wound with stationary rotor Surface wound armature 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