Electrical Machines In a transformer operating at constant voltage if the input frequency increases, the core loss remains constant. increase. decrease. None of these remains constant. increase. decrease. None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The speed regulation of a DC motor is given as NnL/NfL. (NfL − NnL)/NnL. (NnL − NfL)/NfL. NnL − NfL. NnL/NfL. (NfL − NnL)/NnL. (NnL − NfL)/NfL. NnL − NfL. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The frame of an induction motor is made of stainless steel. closed grained cast iron. silicon steel. aluminium. stainless steel. closed grained cast iron. silicon steel. aluminium. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Transformer oil is used as both A and B. inert medium. a coolant. an insulator. both A and B. inert medium. a coolant. an insulator. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following motors has low ratings only? Resistance split phase Shaded pole Capacitor start Capacitor run Resistance split phase Shaded pole Capacitor start Capacitor run ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following induction motor has maximum speed? 6 pole. 2 pole. 8 pole. 4 pole. 6 pole. 2 pole. 8 pole. 4 pole. ANSWER DOWNLOAD EXAMIANS APP
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