Transformers In case of 3-phase induction motors, plugging means pulling the motor directly on line without a starter starting the motor on load which is more than the rated load locking of rotor due to harmonics interchanging two supply phases for quick stopping pulling the motor directly on line without a starter starting the motor on load which is more than the rated load locking of rotor due to harmonics interchanging two supply phases for quick stopping ANSWER DOWNLOAD EXAMIANS APP
Transformers Material used for construction of transformer core is usually Copper Aluminium Silicon steel Wood Copper Aluminium Silicon steel Wood ANSWER DOWNLOAD EXAMIANS APP
Transformers The mutual flux in a transformer remains constant at all loads because ______ Iron core is used Losses are small Applied voltage and frequency are constant Leakage flux is small Iron core is used Losses are small Applied voltage and frequency are constant Leakage flux is small ANSWER DOWNLOAD EXAMIANS APP
Transformers The leakage flux in a transformer depends upon load current load current, voltage and frequency load current, voltage, frequency and power factor load current and voltage load current load current, voltage and frequency load current, voltage, frequency and power factor load current and voltage ANSWER DOWNLOAD EXAMIANS APP
Transformers The highest voltage for transmitting electrical power in india is 400 kV 66 kV 132 kV 33 kV 400 kV 66 kV 132 kV 33 kV ANSWER DOWNLOAD EXAMIANS APP
Transformers Which motor is preferred for use in mines where explosive gases exist? Air motor Induction motor Synchronous motor Shunt motor Air motor Induction motor Synchronous motor Shunt motor ANSWER DOWNLOAD EXAMIANS APP
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