Electrical Machines The armature voltage control is considered suitable for a DC motor driven at constant power. speed. current. torque. power. speed. current. torque. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC machine, which of these parameters remain the same whether it runs as a DC motor or a DC generator? Armature current. Induced emf. Mechanical power. Can not be determined. Armature current. Induced emf. Mechanical power. Can not be determined. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the mechanical angle α between the stator and rotor poles increases, then the stator current Remains unchanged. None of above. Decreases. Increases. Remains unchanged. None of above. Decreases. Increases. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In diesel engine, gas engine type of machine contains ___________________ pole type of alternator. non uniform cylindrical. none of these. cylindrical. salient. non uniform cylindrical. none of these. cylindrical. salient. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a transformer zero voltage regulation is achieved at a load power factor which is zero lagging unity leading zero lagging unity leading ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Regenerative braking is not found in which motor? Induction motor. DC compound. DC shunt. DC series. Induction motor. DC compound. DC shunt. DC series. ANSWER DOWNLOAD EXAMIANS APP
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