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 A system is highly oscillatory if Gain margin is close to 1 Gain margin is high and phase margin is 180° Gain margin is high Gain margin is close to 1 or phase margin is zero Gain margin is close to 1 Gain margin is high and phase margin is 180° Gain margin is high Gain margin is close to 1 or phase margin is zero ANSWER DOWNLOAD EXAMIANS APP
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? 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 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
Automatic Control Systems The complicated shapes in the polar plots are only due to time constants in the numerator of transfer functions. True False True False ANSWER DOWNLOAD EXAMIANS APP
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