Transformers The maximum load that a power transformer can carry is limited by its temperature rise copper loss voltage ratio dielectric strength of oil temperature rise copper loss voltage ratio dielectric strength of oil ANSWER DOWNLOAD EXAMIANS APP
Transformers What is the approximate efficiency of large transformers? 85% 95 % 75% 65% 85% 95 % 75% 65% ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following acts as a protection against high voltage surges due to lightning and switching? Horn gaps Thermal overload relays Breather Conservator Horn gaps Thermal overload relays Breather Conservator ANSWER DOWNLOAD EXAMIANS APP
Transformers The all day efficiency of a transformer is ______ the commercial efficiency. None of the listed here The same as Less than More than None of the listed here The same as Less than More than ANSWER DOWNLOAD EXAMIANS APP
Transformers A tap changer is used on a transformer for None of the listed here Adjustment in primary voltage Adjustment in both primary and secondary Adjustments in secondary voltage None of the listed here Adjustment in primary voltage Adjustment in both primary and secondary Adjustments in secondary voltage ANSWER DOWNLOAD EXAMIANS APP
Transformers In a transformer routine efficiency depends upon Load current Both power factor and load current Power factor of load Supply frequency Load current Both power factor and load current Power factor of load Supply frequency ANSWER DOWNLOAD EXAMIANS APP
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