Electrical Machines Which of these types of motor is used in elevators? DC compound motor. None of these. DC shunt motor. DC series motor. DC compound motor. None of these. DC shunt motor. DC series motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The low voltage winding of a 400/230 V single phase 50 Hz transformer is to be connected to keep the magnetization current at the same level in both the cases the voltage at 25 Hz should be 460 V 65 V 115 V 230 V 460 V 65 V 115 V 230 V ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC generator, the ripples in the direct emf generated are reduced by employing equalizer rings. carbon brushes. graphite brushes. commutator with large number of segments. equalizer rings. carbon brushes. graphite brushes. commutator with large number of segments. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC machine torque is proportional to which of the following? armature current(Ia) None of these both A and B flux(φ) armature current(Ia) None of these both A and B flux(φ) ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The heat generated in the transformer is dissipated mainly by All of these conduction. radiation. convection. All of these conduction. radiation. convection. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Tertiary winding in a transformer is mostly star connected. zig - zag delta connected. delta connected. zig - zag star connected. star connected. zig - zag delta connected. delta connected. zig - zag star connected. ANSWER DOWNLOAD EXAMIANS APP
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