Electrical Machines Synchronising power of a synchronous motor varies inversely as 1/Xs All of these directly as synchronous reactances Xs directly as Xs2 inversely as 1/Xs All of these directly as synchronous reactances Xs directly as Xs2 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Mechanical energy is supplied to DC generator at the rate of 4200 J / s. The generator delivers 32.2 Amp at 120 V. What is the percentage efficiency of the generator? 201.02 V. 212 V. 205 V. 210 V. 201.02 V. 212 V. 205 V. 210 V. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which type of single phase induction motor is having the highest power factor at full load ? Split phase type. Capacitor start. Shaded pole type. Capacitor run type. Split phase type. Capacitor start. Shaded pole type. Capacitor run type. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Oil is provided in an oil filled transformer for cooling. lubrication. both cooling and insulation. insulating. cooling. lubrication. both cooling and insulation. insulating. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If a DC motor is connected across the AC supply it will Run at normal speed. Burn. Run at lower speed. Not run. Run at normal speed. Burn. Run at lower speed. Not run. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a dc machine 72 number of coils are used. Find the number of commutator segments required? 74 36 72 37 74 36 72 37 ANSWER DOWNLOAD EXAMIANS APP
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