Automatic Control Systems The permanent magnet field system of brushless dc servo- motor is generally on Either (a) or (b) Partly on stator and partly on rotor Stator Rotor Either (a) or (b) Partly on stator and partly on rotor Stator Rotor 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 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 All 1 and 2 1, 2 and 3 3 and 4 All 1 and 2 1, 2 and 3 ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems The sensor generally used in incremental optical encoder is Photodiode Either (a) or (b) LCD LED Photodiode Either (a) or (b) LCD LED ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems Temperature is analogous to Voltage Flux Charge None of these Voltage Flux Charge None of these ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems If poles lie in first quadrant, damping ratio is More than 1 less than 1 1 Zero More than 1 less than 1 1 Zero ANSWER DOWNLOAD EXAMIANS APP
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