Transformers Which of the following 3 phase connections of transformer create disturbances in communication systems Delta/Star Delta/Delta Star/Star Star/Delta Delta/Star Delta/Delta Star/Star Star/Delta ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following protection is normally not provided on small distribution transformers? Buchholz relay Overcurrent protection All of these Overfluxing protection Buchholz relay Overcurrent protection All of these Overfluxing protection ANSWER DOWNLOAD EXAMIANS APP
Transformers Natural oil cooling is used for transformers up to a rating of 500 kVA 3000 kVA 1000 kVA 250 kVA 500 kVA 3000 kVA 1000 kVA 250 kVA ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer is an efficient device because Uses inductive coupling Uses capacitive coupling Uses electric coupling A static device Uses inductive coupling Uses capacitive coupling Uses electric coupling A static device ANSWER DOWNLOAD EXAMIANS APP
Transformers Sumpner's test is conducted on transformer to determine All day efficiency Temperature Stray losses None of the listed here All day efficiency Temperature Stray losses None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Transformers The leakage flux in a transformer depends upon load current, voltage, frequency and power factor load current load current, voltage and frequency load current and voltage load current, voltage, frequency and power factor load current load current, voltage and frequency load current and voltage ANSWER DOWNLOAD EXAMIANS APP
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