Transformers The dielectric strength of transformer oil is expected to be lkV 100 kV 330 kV 33 kV lkV 100 kV 330 kV 33 kV ANSWER DOWNLOAD EXAMIANS APP
Transformers The amount of copper in the primary is _______that of secondary. Greater than Smaller than About the same as None of the listed here Greater than Smaller than About the same as None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Transformers The transformer that should never the secondary open circuited when primary is energised is _______ Current transformer Power transformer Voltage transformer Auto transformer Current transformer Power transformer Voltage transformer Auto transformer ANSWER DOWNLOAD EXAMIANS APP
Transformers The primary and secondary of a transformer are ______ coupled. None of the listed here Magnetically Electrically and magnetically Electrically None of the listed here Magnetically Electrically and magnetically Electrically ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following acts as a protection against high voltage surges due to lightning and switching? Conservator Thermal overload relays Horn gaps Breather Conservator Thermal overload relays Horn gaps Breather ANSWER DOWNLOAD EXAMIANS APP
Transformers Losses which occur in rotating electric machines and do not occur in trans formers are magnetic losses friction and windage losses hysteresis and eddy current losses copper losses magnetic losses friction and windage losses hysteresis and eddy current losses copper losses ANSWER DOWNLOAD EXAMIANS APP
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