Transformers The hum in a transformer is mainly attributed to mechanical vibrations load changes magnetostriction oil in the transformer mechanical vibrations load changes magnetostriction oil in the transformer ANSWER DOWNLOAD EXAMIANS APP
Transformers The open circuit test on a transformer gives _______ Iron losses Friction losses Copper losses Total losses Iron losses Friction losses Copper losses Total losses ANSWER DOWNLOAD EXAMIANS APP
Transformers In a transformer routine efficiency depends upon Both power factor and load current Supply frequency Load current Power factor of load Both power factor and load current Supply frequency Load current Power factor of load ANSWER DOWNLOAD EXAMIANS APP
Transformers Noise level test in a transformer is a routine test type test None of these special test routine test type test None of these special test ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following acts as a protection against high voltage surges due to lightning and switching? Breather Horn gaps Thermal overload relays Conservator Breather Horn gaps Thermal overload relays Conservator ANSWER DOWNLOAD EXAMIANS APP
Transformers Negative voltage regulation is indicative that the load is inductive or resistive inductive only None of these capacitive only inductive or resistive inductive only None of these capacitive only ANSWER DOWNLOAD EXAMIANS APP
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