Transformers Which motor is preferred for use in mines where explosive gases exist? Induction motor Synchronous motor Air motor Shunt motor Induction motor Synchronous motor Air motor Shunt motor ANSWER DOWNLOAD EXAMIANS APP
Transformers Negative voltage regulation is indicative that the load is inductive or resistive inductive only capacitive only None of these inductive or resistive inductive only capacitive only None of these ANSWER DOWNLOAD EXAMIANS APP
Transformers The efficiency of a transformer, under heavy loads, is comparatively low because secondary output is much less as compared to primary input iron loss is increased considerably copper loss becomes high in proportion to the output voltage drop both in primary and secondary becomes large secondary output is much less as compared to primary input iron loss is increased considerably copper loss becomes high in proportion to the output voltage drop both in primary and secondary becomes large ANSWER DOWNLOAD EXAMIANS APP
Transformers The primary winding of a transformer has 110 V ac across it. What is the secondary voltage if the turns ratio is 8? 88 V 8.8 V 8,800 V 880 V 88 V 8.8 V 8,800 V 880 V ANSWER DOWNLOAD EXAMIANS APP
Transformers In which of the following transformer part of primary winding also serves as the secondary winding? Potential transformer Current transformer Step-up transformer Auto transformer Potential transformer Current transformer Step-up transformer Auto transformer ANSWER DOWNLOAD EXAMIANS APP
Transformers The noise resulting from vibrations of laminations set by magnetic forces, is termed as Zoom Magnetostriction Hum Boo Zoom Magnetostriction Hum Boo ANSWER DOWNLOAD EXAMIANS APP
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