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 and 2 1, 2 and 3 All 3 and 4 1 and 2 1, 2 and 3 All ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems In a simple on-off controller with differential gap, the magnitude of differential gap determines The level of accuracy Neither (a) nor (b) Both (a) and (b) The life of controller The level of accuracy Neither (a) nor (b) Both (a) and (b) The life of controller ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems DC tachogenerator can be used in Speed control system Both A and B Neither A nor B Position control system Speed control system Both A and B Neither A nor B Position control system ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems In the field controlled motor the entire damping comes from Back emf Armature resistance Field resistance Motor friction and load Back emf Armature resistance Field resistance Motor friction and load ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems The relative stability of a system is given by Phase margin alone Either (a) or (b) Gain margin alone Both phase and gain margins Phase margin alone Either (a) or (b) Gain margin alone Both phase and gain margins ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems In Bode plots the frequency at which two asymptotes meet is called corner frequency. False True False True ANSWER DOWNLOAD EXAMIANS APP
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