Transformers The efficiencies of transformers compared with that of electric motors of the same power are much smaller somewhat smaller much higher about the same much smaller somewhat smaller much higher about the same ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following is not a fitting on a transformer? Commutator Buchholz's relay Breather Conservator Commutator Buchholz's relay Breather Conservator ANSWER DOWNLOAD EXAMIANS APP
Transformers To step 110 V ac down to 20 V ac, the turns ratio must be 5.5 18 0.018 0.18 5.5 18 0.018 0.18 ANSWER DOWNLOAD EXAMIANS APP
Transformers The temperature rise of transformer is directly proportional to _______ None of the listed here Apparent power Reactive power Leakage reactance None of the listed here Apparent power Reactive power Leakage reactance ANSWER DOWNLOAD EXAMIANS APP
Transformers The primary and secondary of a transformer are ______ coupled. Electrically Electrically and magnetically None of the listed here Magnetically Electrically Electrically and magnetically None of the listed here Magnetically ANSWER DOWNLOAD EXAMIANS APP
Transformers When secondary of a current transformer is open-circuited its iron core will be hot because primary will carry heavy current none of above will happen cool as there is no secondary current hot because of heavy iron losses taking place in it due to high flux density hot because primary will carry heavy current none of above will happen cool as there is no secondary current hot because of heavy iron losses taking place in it due to high flux density ANSWER DOWNLOAD EXAMIANS APP
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