Electrical Machines In a DC generator the emf generated by the armature is maximum when induced voltage is high. rate of change of flux is minimum. rate of change of flux is maximum. shaft rotation is high. induced voltage is high. rate of change of flux is minimum. rate of change of flux is maximum. shaft rotation is high. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Tappings of a transformer are provided at the neutral side end of hv side at the phase end of hv side at the middle of hv side at the phase end of lv side at the neutral side end of hv side at the phase end of hv side at the middle of hv side at the phase end of lv side ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The speed regulation of a DC motor is given as NnL − NfL. (NnL − NfL)/NfL. NnL/NfL. (NfL − NnL)/NnL. NnL − NfL. (NnL − NfL)/NfL. NnL/NfL. (NfL − NnL)/NnL. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which method is less recommendable for induction motor starting in the industries? Auto transformer starting. Rotor resistance starting. Direct online starting. Stator resistance starting. Auto transformer starting. Rotor resistance starting. Direct online starting. Stator resistance starting. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Stray losses in transformer occurs in steel core. paper insulation in transformers. winding conductors and steel structures of transformer. transformer insulating oil. steel core. paper insulation in transformers. winding conductors and steel structures of transformer. transformer insulating oil. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a synchronous motor electromagnetic power varies directly as applied voltage directly as square of applied voltage inversely as applied voltage None of these directly as applied voltage directly as square of applied voltage inversely as applied voltage None of these ANSWER DOWNLOAD EXAMIANS APP
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