Transformers A Buchholz relay can be installed on Welding transformer Oil cooled transformer Air-cooled transformer Auto transformer Welding transformer Oil cooled transformer Air-cooled transformer Auto transformer ANSWER DOWNLOAD EXAMIANS APP
Transformers What is the approximate efficiency of large transformers? 85% 95 % 65% 75% 85% 95 % 65% 75% ANSWER DOWNLOAD EXAMIANS APP
Transformers Primary winding of a transformer None of these is always a low voltage winding is always a high voltage winding could either be a low voltage or high voltage winding None of these is always a low voltage winding is always a high voltage winding could either be a low voltage or high voltage winding ANSWER DOWNLOAD EXAMIANS APP
Transformers In a transformer the resistance between its primary and secondary is 1 ohm Zero Infinite 1000 ohms 1 ohm Zero Infinite 1000 ohms ANSWER DOWNLOAD EXAMIANS APP
Transformers A step up transformer increases Frequency Power Current Voltage Frequency Power Current Voltage ANSWER DOWNLOAD EXAMIANS APP
Transformers Cores of large transformers are built upto nearly circular cross section in order to reduce Iron losses Eddy current loss Leakage reactance Copper loss Iron losses Eddy current loss Leakage reactance Copper loss ANSWER DOWNLOAD EXAMIANS APP
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