Automatic Control Systems Nichol’s chart is symmetric about – 180° axis. False True False True ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems Which dc servomotor requires strongest permanent magnet? Slotted armature Surface wound with stationary rotor Either A or B Surface wound armature Slotted armature Surface wound with stationary rotor Either A or B Surface wound armature 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 Gain margin is close to 1 or phase margin is zero Gain margin is high Gain margin is high and phase margin is 180° Gain margin is close to 1 Gain margin is close to 1 or phase margin is zero ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems The poles with greater displacement from the real axis correspond to Lower frequencies of oscillations Higher frequencies of oscillations Stable response Unbounded output Lower frequencies of oscillations Higher frequencies of oscillations Stable response Unbounded output ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems Which of the following is open loop system? System for controlling antirocket missiles Aqualing Respiratory system of animal Wind screen wiper System for controlling antirocket missiles Aqualing Respiratory system of animal Wind screen wiper ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems Which control action can never be used alone? Integral Derivative Proportional Both (b) and (c) Integral Derivative Proportional Both (b) and (c) ANSWER DOWNLOAD EXAMIANS APP
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