Transformers In a certain loaded transformer, the secondary voltage is one-fourth the primary voltage. The secondary current is one-fourth the primary current equal to the primary current four times the primary current one-fourth the primary current and equal to the primary current one-fourth the primary current equal to the primary current four times the primary current one-fourth the primary current and equal to the primary current ANSWER DOWNLOAD EXAMIANS APP
Transformers Primary winding of a transformer is always a low voltage winding None of these is always a high voltage winding could either be a low voltage or high voltage winding is always a low voltage winding None of these is always a high voltage winding could either be a low voltage or high voltage winding ANSWER DOWNLOAD EXAMIANS APP
Transformers Natural oil cooling is used for transformers upto a rating of 250 kVA 500 kVA 3000 kVA 1000 kVA 250 kVA 500 kVA 3000 kVA 1000 kVA ANSWER DOWNLOAD EXAMIANS APP
Transformers In case of 3-phase induction motors, plugging means interchanging two supply phases for quick stopping locking of rotor due to harmonics pulling the motor directly on line without a starter starting the motor on load which is more than the rated load interchanging two supply phases for quick stopping locking of rotor due to harmonics pulling the motor directly on line without a starter starting the motor on load which is more than the rated load ANSWER DOWNLOAD EXAMIANS APP
Transformers Which motor is preferred for use in mines where explosive gases exist? Synchronous motor Shunt motor Air motor Induction motor Synchronous motor Shunt motor Air motor Induction motor ANSWER DOWNLOAD EXAMIANS APP
Transformers In the short circuit test on a transformer, we generally short circuit ______ None of the listed here Low voltage winding Either low or high voltage winding High voltage winding None of the listed here Low voltage winding Either low or high voltage winding High voltage winding ANSWER DOWNLOAD EXAMIANS APP
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