Transformers If a power transformer is operated at very high frequencies, then ______ Primary will draw large power Primary reactance is too much increased Core losses will be excessive None of the listed here Primary will draw large power Primary reactance is too much increased Core losses will be excessive None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following is not a part of transformer installation? Exciter Buchholz relay Breather Conservator Exciter Buchholz relay Breather Conservator ANSWER DOWNLOAD EXAMIANS APP
Transformers Cores of large transformers are built upto nearly circular cross section in order to reduce Copper loss Leakage reactance Eddy current loss Iron losses Copper loss Leakage reactance Eddy current loss Iron losses ANSWER DOWNLOAD EXAMIANS APP
Transformers Short circuit test of a transformer helps us to find its Cu loss at no load Iron loss Full load cu loss None of the listed here Cu loss at no load Iron loss Full load cu loss None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Transformers An open-circuit test on a transformer is conducted primarily to measure core loss copper loss insulation resistance total loss core loss copper loss insulation resistance total loss ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer is an efficient device because Uses capacitive coupling Uses electric coupling A static device Uses inductive coupling Uses capacitive coupling Uses electric coupling A static device Uses inductive coupling ANSWER DOWNLOAD EXAMIANS APP
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