Transformers The power efficiency of a lightning transformer is always ______its all day efficiency. Higher than Less than Equal to None of the listed here Higher than Less than Equal to None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Transformers How are transformers generally cooled for installations rated at less than 5kVA ? None of the listed here Air cooled Water cooled Oil cooled None of the listed here Air cooled Water cooled Oil cooled ANSWER DOWNLOAD EXAMIANS APP
Transformers The winding of the transformer with greater number of turns will be _____ High voltage winding Low voltage winding None of the listed here Either high or low voltage winding High voltage winding Low voltage winding None of the listed here Either high or low voltage winding ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following transformer should never have the secondary open circuited while the primary is energised? Potential transformer Current transformer Power transformer Auto transformer Potential transformer Current transformer Power transformer Auto transformer ANSWER DOWNLOAD EXAMIANS APP
Transformers The primary coil of a transformer is connected to a 60 V ac source. The secondary coil is connected to a 330 load. The turns ratio is 3:1. What is the secondary voltage? 18 V 180 V 20 V 2 V 18 V 180 V 20 V 2 V ANSWER DOWNLOAD EXAMIANS APP
Transformers The transformer that should never the secondary open circuited when primary is energised is _______ Voltage transformer Current transformer Power transformer Auto transformer Voltage transformer Current transformer Power transformer Auto transformer ANSWER DOWNLOAD EXAMIANS APP
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