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 1 and 2 All 1, 2 and 3 3 and 4 1 and 2 All ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems The relative stability of a system is given by Either (a) or (b) Phase margin alone Gain margin alone Both phase and gain margins Either (a) or (b) Phase margin alone Gain margin alone Both phase and gain margins ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems A conditionally stable system is stable for the value of gain between two critical values. It is unstable if The gain is increased beyond upper critical value The gain is decreased below lower critical value None of these Both A and B The gain is increased beyond upper critical value The gain is decreased below lower critical value None of these Both A and B ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems The effect of adding poles and zeros can be determined quickly by Bode plot Nyquist plot Root locus Nichols chart Bode plot Nyquist plot Root locus Nichols chart ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems The sensor generally used in incremental optical encoder is Either (a) or (b) LCD Photodiode LED Either (a) or (b) LCD Photodiode LED ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems In force current analogy, displacement x is analogous to Voltage Charge Magnetic flux linkage Electrostatic energy Voltage Charge Magnetic flux linkage Electrostatic energy ANSWER DOWNLOAD EXAMIANS APP
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