Automatic Control Systems Which dc servomotor requires strongest permanent magnet? Surface wound with stationary rotor Surface wound armature Either A or B Slotted armature Surface wound with stationary rotor Surface wound armature Either A or B Slotted armature ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems Lag compensation permits a high gain at low frequencies. True False True False ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems A lead compensator Increases the stability margin None of these Speeds up the transient response Increases the stability margin and speeds up the transient-response. Increases the stability margin None of these Speeds up the transient response Increases the stability margin and speeds up the transient-response. ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems The relative stability of a system is given by Either (a) or (b) Phase margin alone Both phase and gain margins Gain margin alone Either (a) or (b) Phase margin alone Both phase and gain margins Gain margin alone ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems Nichols chart consists of Magnitude and phase angle loci in log-magnitude versus phase diagram None of these Constant magnitude loci Constant phase angle loci Magnitude and phase angle loci in log-magnitude versus phase diagram None of these Constant magnitude loci Constant phase angle loci 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 3 and 4 1, 2 and 3 All 1 and 2 3 and 4 1, 2 and 3 All 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
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