Transformers Which of the following parts of a transformer is visible from outside? Secondary winding Core Primary winding Bushings Secondary winding Core Primary winding Bushings ANSWER DOWNLOAD EXAMIANS APP
Transformers We can find _______of the transformer with open circuit test. Total equivalent leakage reactance Total equivalent resistance Turn ratio Copper losses Total equivalent leakage reactance Total equivalent resistance Turn ratio Copper losses ANSWER DOWNLOAD EXAMIANS APP
Transformers The noise resulting from vibrations of laminations set by magnetic forces, is termed as Hum Zoom Boo Magnetostriction Hum Zoom Boo Magnetostriction ANSWER DOWNLOAD EXAMIANS APP
Transformers The efficiency of a transformer will be maximum when ______ Leakage reactance of the two winding Resistance of the two winding are equal None of the listed here Copper loss is equal to constant loss Leakage reactance of the two winding Resistance of the two winding are equal None of the listed here Copper loss is equal to constant loss ANSWER DOWNLOAD EXAMIANS APP
Transformers If a transformer has 50 turns in the primary winding and 10 turns in the secondary winding, what is the reflective resistance if the secondary load resistance is 250 ? 6250 Ω 250 Ω 62500 Ω 25 Ω 6250 Ω 250 Ω 62500 Ω 25 Ω ANSWER DOWNLOAD EXAMIANS APP
Transformers Which motor is preferred for use in mines where explosive gases exist? Shunt motor Air motor Induction motor Synchronous motor Shunt motor Air motor Induction motor Synchronous motor ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS