Transformers Burden of a current transformer is usually expressed in Amperes Volts Kilowatt Volt amperes Amperes Volts Kilowatt Volt amperes ANSWER DOWNLOAD EXAMIANS APP
Transformers Sumpner's test is conducted on transformer to determine Temperature All day efficiency None of the listed here Stray losses Temperature All day efficiency None of the listed here Stray losses ANSWER DOWNLOAD EXAMIANS APP
Transformers If a power transformer is operated at very high frequencies, then ______ 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 None of the listed here Core losses will be excessive Primary reactance is too much increased ANSWER DOWNLOAD EXAMIANS APP
Transformers The maximum flux produced in the core of a transformer is ______ None of the listed here Inversely proportional to supply frequency Inversely proportional to primary voltage Directly proportional to supply frequency None of the listed here Inversely proportional to supply frequency Inversely proportional to primary voltage Directly proportional to supply frequency ANSWER DOWNLOAD EXAMIANS APP
Transformers The no load primary current is about ______of full load primary current. 30-40% 3-5% Above 40% 15-30% 30-40% 3-5% Above 40% 15-30% ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following insulating materials can withstand the highest temperature safely? Cellulose Glass fibre Mica Asbestos Cellulose Glass fibre Mica Asbestos ANSWER DOWNLOAD EXAMIANS APP
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