Transformers Natural oil cooling is used for transformers upto a rating of 500 kVA 250 kVA 1000 kVA 3000 kVA 500 kVA 250 kVA 1000 kVA 3000 kVA ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer with a 110 V primary has a 15:1 turns ratio. The load resistance, RL, is 120 . What is the approximate voltage across the load? 73 V 880 V 88 V 7.3 V 73 V 880 V 88 V 7.3 V ANSWER DOWNLOAD EXAMIANS APP
Transformers The eddy current loss in a transformer is directly proportional to _______. The supply frequency The flux density in the core Thickness of core lamination Square of thickness of core lamination The supply frequency The flux density in the core Thickness of core lamination Square of thickness of core lamination ANSWER DOWNLOAD EXAMIANS APP
Transformers The flux in the core of a single phase transformer is _____ None of the listed here Purely alternating one Purely rotating one Partly alternating and partly rotating None of the listed here Purely alternating one Purely rotating one Partly alternating and partly rotating ANSWER DOWNLOAD EXAMIANS APP
Transformers By laminating the core of a transformer, we decrease _____ Hysteresis loss Copper loss Eddy current loss Leakage reactance Hysteresis loss Copper loss Eddy current loss Leakage reactance ANSWER DOWNLOAD EXAMIANS APP
Transformers An ideal transformer is one which _______ Has same number of primary and secondary turns Does not work Has no losses and leakage reactance None of the listed here Has same number of primary and secondary turns Does not work Has no losses and leakage reactance None of the listed here ANSWER DOWNLOAD EXAMIANS APP
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