Transformers Which motor is preferred for use in mines where explosive gases exist? Air motor Induction motor Shunt motor Synchronous motor Air motor Induction motor Shunt motor Synchronous motor ANSWER DOWNLOAD EXAMIANS APP
Transformers We can find _______of the transformer with open circuit test. Total equivalent leakage reactance Total equivalent resistance Turn ratio Copper losses Total equivalent leakage reactance Total equivalent resistance Turn ratio Copper losses ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer has 200 W as iron loss at full load. The iron loss at full load. The iron loss at half full load will be 100 W 400 W 50 W 200 W 100 W 400 W 50 W 200 W ANSWER DOWNLOAD EXAMIANS APP
Transformers In which of the following transformer part of primary winding also serves as the secondary winding? Step-up transformer Potential transformer Auto transformer Current transformer Step-up transformer Potential transformer Auto transformer Current transformer ANSWER DOWNLOAD EXAMIANS APP
Transformers The secondary of a current transformer is always short-circuited under operating conditions because it avoids core saturation and high voltage induction is safe to human beings None of these protects the primary circuit avoids core saturation and high voltage induction is safe to human beings None of these protects the primary circuit ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following parts of a transformer is visible from outside? Core Secondary winding Bushings Primary winding Core Secondary winding Bushings Primary winding ANSWER DOWNLOAD EXAMIANS APP
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