Electrical Machines The emf induced in the dc generator armature winding is AC DC AC and DC None of these AC DC AC and DC None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The wound rotor type IM is used for____________ speed operation. constant. minimum. variable. maximum. constant. minimum. variable. maximum. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The armature of a DC motor is laminated to reduce friction and windage loss. eddy current loss. hysteresis loss. copper loss. friction and windage loss. eddy current loss. hysteresis loss. copper loss. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The voltmeter connected across a generator reads voltage same at no load and at full load (rated). The generator is of the type level compound. short - shunt generator. series generator. shunt generator. level compound. short - shunt generator. series generator. shunt generator. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Flashing of DC generator means creation of residual magnetism by a DC source. increasing flux density by providing extra ampere-turns in field. None of these neutralization of residual magnetism. creation of residual magnetism by a DC source. increasing flux density by providing extra ampere-turns in field. None of these neutralization of residual magnetism. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The heat transfer by convection in a transformer least depends on color of the paint. air velocity. surface area. temperature difference. color of the paint. air velocity. surface area. temperature difference. ANSWER DOWNLOAD EXAMIANS APP