Transformers An isolation transformer has primary to secondady turns ratio of Can be any ratio 1:2 2:1 1:1 Can be any ratio 1:2 2:1 1:1 ANSWER DOWNLOAD EXAMIANS APP
Transformers Which motor is preferred for use in mines where explosive gases exist? Air motor Induction motor Shunt motor Synchronous motor Air motor Induction motor Shunt motor Synchronous motor ANSWER DOWNLOAD EXAMIANS APP
Transformers The maximum flux produced in the core of a transformer is ______ Inversely proportional to supply frequency None of the listed here Inversely proportional to primary voltage Directly proportional to supply frequency Inversely proportional to supply frequency None of the listed here Inversely proportional to primary voltage Directly proportional to supply frequency ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following insulating materials can withstand the highest temperature safely? Mica Glass fibre Asbestos Cellulose Mica Glass fibre Asbestos Cellulose ANSWER DOWNLOAD EXAMIANS APP
Transformers Negative voltage regulation is indicative that the load is inductive only None of these capacitive only inductive or resistive inductive only None of these capacitive only inductive or resistive ANSWER DOWNLOAD EXAMIANS APP
Transformers The no load primary current is about ______of full load primary current. 15-30% Above 40% 3-5% 30-40% 15-30% Above 40% 3-5% 30-40% ANSWER DOWNLOAD EXAMIANS APP
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