Transformers When the secondary of a transformer is short circuited, the primary inductance _______ None of the listed here Remians unchanged Is increased Is decreased None of the listed here Remians unchanged Is increased Is decreased ANSWER DOWNLOAD EXAMIANS APP
Transformers The amount of copper in the primary is _______that of secondary. Greater than About the same as None of the listed here Smaller than Greater than About the same as None of the listed here Smaller than ANSWER DOWNLOAD EXAMIANS APP
Transformers If a power transformer is operated at very high frequencies, then ______ None of the listed here Core losses will be excessive Primary reactance is too much increased Primary will draw large power None of the listed here Core losses will be excessive Primary reactance is too much increased Primary will draw large power ANSWER DOWNLOAD EXAMIANS APP
Transformers In a transformer routine efficiency depends upon Load current Both power factor and load current Power factor of load Supply frequency Load current Both power factor and load current Power factor of load Supply frequency ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following is not a part of transformer installation? Exciter Conservator Breather Buchholz relay Exciter Conservator Breather Buchholz relay ANSWER DOWNLOAD EXAMIANS APP
Transformers Transformer breaths in when load remains constant load on it increases None of these load on it decreases load remains constant load on it increases None of these load on it decreases ANSWER DOWNLOAD EXAMIANS APP