Electrical Machines Iron losses in a DC machine are independent of variation in speed and voltage. load. speed. voltage. speed and voltage. load. speed. voltage. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC generator the emf generated by the armature is maximum when rate of change of flux is maximum. rate of change of flux is minimum. induced voltage is high. shaft rotation is high. rate of change of flux is maximum. rate of change of flux is minimum. induced voltage is high. shaft rotation is high. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Field winding of a DC series motor is usually provided with thick wire to provide large flux. as it carries large load current. to reduce the insulation of materials. in order to reduce eddy current to provide large flux. to provide large flux. as it carries large load current. to reduce the insulation of materials. in order to reduce eddy current to provide large flux. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Winding conductors of an electrical power transformer are mainly insulated by cotton insulation. wooden insulation. paper insulation. rubber insulation. cotton insulation. wooden insulation. paper insulation. rubber insulation. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In diesel engine, gas engine type of machine contains ___________________ pole type of alternator. none of these. non uniform cylindrical. salient. cylindrical. none of these. non uniform cylindrical. salient. cylindrical. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Reactive power generated or delivered significantly depends on frequency. both 1 and 2. load angle. excitation. frequency. both 1 and 2. load angle. excitation. ANSWER DOWNLOAD EXAMIANS APP