Automatic Control Systems For a stable system having two or more gain crossover frequencies the phase margin is measured at the highest crossover frequency. True False True False ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems For any transfer function, the constant phase angle loci are A family of straight lines Either (a) or (b) Neither (a) nor (b) A family of circles A family of straight lines Either (a) or (b) Neither (a) nor (b) A family of circles 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, 2 and 3 3 and 4 All 1 and 2 1, 2 and 3 3 and 4 All 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems In the field controlled motor the entire damping comes from Field resistance Armature resistance Back emf Motor friction and load Field resistance Armature resistance Back emf Motor friction and load ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems Magnetic amplifier is used for Frequency amplification Current amplification Voltage amplification Power amplification Frequency amplification Current amplification Voltage amplification Power amplification ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems If poles lie in first quadrant, damping ratio is less than 1 1 More than 1 Zero less than 1 1 More than 1 Zero ANSWER DOWNLOAD EXAMIANS APP
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