Transformers Which of the following insulating materials can withstand the highest temperature safely? Mica Glass fibre Asbestos Cellulose Mica Glass fibre Asbestos Cellulose ANSWER DOWNLOAD EXAMIANS APP
Transformers Transformer having ratings less than 5kVA are generally ______ Oil cooled None of the listed here Water cooled Natural air cooled Oil cooled None of the listed here Water cooled Natural air cooled ANSWER DOWNLOAD EXAMIANS APP
Transformers The temperature rise of transformer is directly proportional to _______ Leakage reactance None of the listed here Apparent power Reactive power Leakage reactance None of the listed here Apparent power Reactive power ANSWER DOWNLOAD EXAMIANS APP
Transformers No-load current of a transformer has has high magnitude and high power factor has small magnitude and low power factor has high magnitude and low power factor has small magnitude and high power factor has high magnitude and high power factor has small magnitude and low power factor has high magnitude and low power factor has small magnitude and high power factor ANSWER DOWNLOAD EXAMIANS APP
Transformers The efficiency of a transformer will be maximum when ______ None of the listed here Copper loss is equal to constant loss Leakage reactance of the two winding Resistance of the two winding are equal None of the listed here Copper loss is equal to constant loss Leakage reactance of the two winding Resistance of the two winding are equal ANSWER DOWNLOAD EXAMIANS APP
Transformers A no-load test is performed on a transformer to determine magnetising current and loss copper loss efficiency core loss magnetising current magnetising current and loss copper loss efficiency core loss magnetising current ANSWER DOWNLOAD EXAMIANS APP
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