Transformers Which of the following 3 phase connections of transformer create disturbances in communication systems Star/Delta Delta/Delta Delta/Star Star/Star Star/Delta Delta/Delta Delta/Star Star/Star ANSWER DOWNLOAD EXAMIANS APP
Transformers Transformer having ratings less than 5kVA are generally ______ Natural air cooled Oil cooled None of the listed here Water cooled Natural air cooled Oil cooled None of the listed here Water cooled ANSWER DOWNLOAD EXAMIANS APP
Transformers For the parallel operation of single phase transformers it is necessary that they should have same number of turns on the secondary side. same kVA rating same efficiency same polarity same number of turns on the secondary side. same kVA rating same efficiency same polarity ANSWER DOWNLOAD EXAMIANS APP
Transformers The all day efficiency of a transformer is ______ the commercial efficiency. None of the listed here The same as More than Less than None of the listed here The same as More than Less than ANSWER DOWNLOAD EXAMIANS APP
Transformers The all day efficiency of a transformer is also called its Current efficiency Energy efficiency None of the listed here Power efficiency Current efficiency Energy efficiency None of the listed here Power efficiency ANSWER DOWNLOAD EXAMIANS APP
Transformers When load on a transformer is decreased, ______loss is decreased Eddy current Friction Hysteresis Copper Eddy current Friction Hysteresis Copper ANSWER DOWNLOAD EXAMIANS APP
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