Transformers Which of the following acts as a protection against high voltage surges due to lightning and switching? Horn gaps Breather Thermal overload relays Conservator Horn gaps Breather Thermal overload relays Conservator ANSWER DOWNLOAD EXAMIANS APP
Transformers In an auto transformer, the primary and secondary are _____ coupled. Only magnetically Magnetically as well as electrically Only electrically None of the listed here Only magnetically Magnetically as well as electrically Only electrically None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Transformers The open circuit test on a transformer is always made on ______ Either low or high voltage winding High voltage winding None of the listed here Low voltage winding Either low or high voltage winding High voltage winding None of the listed here Low voltage winding ANSWER DOWNLOAD EXAMIANS APP
Transformers By laminating the core of a transformer, we decrease _____ Hysteresis loss Eddy current loss Copper loss Leakage reactance Hysteresis loss Eddy current loss Copper loss Leakage reactance ANSWER DOWNLOAD EXAMIANS APP
Transformers In a step-down transformer, there is a change of 15 A in the load current. This results in change of supply current of None of these less than 15 A 15 A more than 15 A None of these less than 15 A 15 A more than 15 A ANSWER DOWNLOAD EXAMIANS APP
Transformers A common method of colling a power transformer is Oil cooling Natural air cooling Air blast cooling Any of the listed here Oil cooling Natural air cooling Air blast cooling Any of the listed here ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS