Transformers Which of the following acts as a protection against high voltage surges due to lightning and switching? Thermal overload relays Breather Conservator Horn gaps Thermal overload relays Breather Conservator Horn gaps ANSWER DOWNLOAD EXAMIANS APP
Transformers Which winding in a transformer has more number of turns? High voltage winding Primary winding Low voltage winding Secondary winding High voltage winding Primary winding Low voltage winding Secondary winding ANSWER DOWNLOAD EXAMIANS APP
Transformers The mutual flux in a transformer remains constant at all loads because ______ Applied voltage and frequency are constant Losses are small Iron core is used Leakage flux is small Applied voltage and frequency are constant Losses are small Iron core is used Leakage flux is small ANSWER DOWNLOAD EXAMIANS APP
Transformers In a transformer routine efficiency depends upon Power factor of load Load current Both power factor and load current Supply frequency Power factor of load Load current Both power factor and load current Supply frequency ANSWER DOWNLOAD EXAMIANS APP
Transformers Natural oil cooling is used for transformers up to a rating of 3000 kVA 500 kVA 250 kVA 1000 kVA 3000 kVA 500 kVA 250 kVA 1000 kVA ANSWER DOWNLOAD EXAMIANS APP
Transformers The primary winding of a power transformer should always be open shorted fused switched open shorted fused switched ANSWER DOWNLOAD EXAMIANS APP
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