Transformers The maximum efficiency of a distribution transformer is at 80% full load at full load at no load at 50% full load at 80% full load at full load at no load at 50% full load ANSWER DOWNLOAD EXAMIANS APP
Transformers Which motor is preferred for use in mines where explosive gases exist? Air motor Shunt motor Synchronous motor Induction motor Air motor Shunt motor Synchronous motor Induction motor ANSWER DOWNLOAD EXAMIANS APP
Transformers The leakage flux in a transformer depends upon load current and voltage load current, voltage and frequency load current, voltage, frequency and power factor load current load current and voltage load current, voltage and frequency load current, voltage, frequency and power factor load current ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer will have zero efficiency at None of the listed here Half full load No load Full load None of the listed here Half full load No load Full load ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following protection is normally not provided on small distribution transformers? Overcurrent protection Buchholz relay Overfluxing protection All of these Overcurrent protection Buchholz relay Overfluxing protection All of these ANSWER DOWNLOAD EXAMIANS APP
Transformers Losses which occur in rotating electric machines and do not occur in trans formers are hysteresis and eddy current losses copper losses friction and windage losses magnetic losses hysteresis and eddy current losses copper losses friction and windage losses magnetic losses ANSWER DOWNLOAD EXAMIANS APP
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