Transformers The primary winding of a power transformer should always be switched open shorted fused switched open shorted fused ANSWER DOWNLOAD EXAMIANS APP
Transformers The secondary of a current transformer is always short-circuited under operating conditions because it is safe to human beings None of these avoids core saturation and high voltage induction protects the primary circuit is safe to human beings None of these avoids core saturation and high voltage induction protects the primary circuit ANSWER DOWNLOAD EXAMIANS APP
Transformers The iron core is used to ______of the transformer. Increase the wight Provide tight magnetic coupling Reduce core loss None of the listed here Increase the wight Provide tight magnetic coupling Reduce core loss None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Transformers Auto-transformer makes effective saving on copper and copper losses, when its transformation ratio is great than one approximately equal to one None of these less than one great than one approximately equal to one None of these less than one ANSWER DOWNLOAD EXAMIANS APP
Transformers Losses which occur in rotating electric machines and do not occur in trans formers are friction and windage losses copper losses magnetic losses hysteresis and eddy current losses friction and windage losses copper losses magnetic losses hysteresis and eddy current losses ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following protection is normally not provided on small distribution transformers? Buchholz relay Overfluxing protection All of these Overcurrent protection Buchholz relay Overfluxing protection All of these Overcurrent protection ANSWER DOWNLOAD EXAMIANS APP
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