Electrical Machines In speed control of DC shunt motor by varying field flux, what may be the value of field regulator? 0.2 ohm 10 ohm 100 ohm 2 ohm. 0.2 ohm 10 ohm 100 ohm 2 ohm. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Dissolve gas analysis of transformer oil is carried out to determine condition of bushings. condition of transformer oil. condition of transformer. condition of bushing stud. condition of bushings. condition of transformer oil. condition of transformer. condition of bushing stud. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the source voltage of a DC motor is increased, which of the following will decrease? Full load current. Starting torque. Starting torque, operating speed, full load current. Operating speed. Full load current. Starting torque. Starting torque, operating speed, full load current. Operating speed. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which type of single phase induction motor is having the highest power factor at full load ? Capacitor start. Shaded pole type. Capacitor run type. Split phase type. Capacitor start. Shaded pole type. Capacitor run type. Split phase type. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Type of single phase motor having highest power factor at full load is split phase. capacitor run. capacitor start. shaded pole type. split phase. capacitor run. capacitor start. shaded pole type. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 230 volt dc motor has an armature winding resistance of 0.5 ohm. Calculate the emf induced by the motor if the full load armature current is 23 ampere. 220.4 volt. 218.5 volt. None of these. 120 volt. 220.4 volt. 218.5 volt. None of these. 120 volt. ANSWER DOWNLOAD EXAMIANS APP
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