Automatic Control Systems If the poles lie in second quadrant, damping ratio is more than 1 zero 1 less than 1 more than 1 zero 1 less than 1 ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems Which of the following can be used as a rotating amplifier in a control system? 1. Amplidyne 2. Separately excited dc generator 3. Synchro 4. Self excited dc generator 1 and 2 All 3 and 4 1, 2 and 3 1 and 2 All 3 and 4 1, 2 and 3 ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems Which dc servomotor requires strongest permanent magnet? Surface wound with stationary rotor Slotted armature Surface wound armature Either A or B Surface wound with stationary rotor Slotted armature Surface wound armature Either A or B ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems Integral control action Both (a) and (b) Neither (a) nor (b) May lead to oscillatory response Removes offset Both (a) and (b) Neither (a) nor (b) May lead to oscillatory response Removes offset 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 Which control action can never be used alone? Both (b) and (c) Derivative Proportional Integral Both (b) and (c) Derivative Proportional Integral ANSWER DOWNLOAD EXAMIANS APP
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