Electrical Machines In a dc machine 6 pole wave winding is used. The number of parallel paths are? 1 2 6 4 1 2 6 4 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In travelling cranes for swing action which motor is preferred? AC slip ring IM. Reluctance motor. Capacitor type induction motors. DC series motor. AC slip ring IM. Reluctance motor. Capacitor type induction motors. DC series motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 220 V DC machine has an armature resistance 1Ω. If the full load current is 20 A, the difference of induced voltage and generator is 20 V. 0 V. 40 V. 60 V. 20 V. 0 V. 40 V. 60 V. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 4 pole DC shunt generator having a wave winding supplies 50 lamps, each of 60 W at 120 V. The armature and field resistance are 0.2 Ω and 60 Ω respectively. The current in each armature conductor is 27 A. 13.5 A. 11.5 A. 23 A. 27 A. 13.5 A. 11.5 A. 23 A. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In induction motors, there is large decrease in maximum power factor when the dispersion coefficient is ________________. kept constant to certain value. decreased. increased. remains same. kept constant to certain value. decreased. increased. remains same. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Transformer cooling and insulating oil must be of low BDV. low resistivity. low viscosity. high viscosity. low BDV. low resistivity. low viscosity. high viscosity. ANSWER DOWNLOAD EXAMIANS APP
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