Transformers A transformer will have zero efficiency at Full load No load None of the listed here Half full load Full load No load None of the listed here Half full load ANSWER DOWNLOAD EXAMIANS APP
Transformers How are transformers generally cooled for installations rated at less than 5kVA ? Air cooled None of the listed here Water cooled Oil cooled Air cooled None of the listed here Water cooled Oil cooled ANSWER DOWNLOAD EXAMIANS APP
Transformers The core type transformer is generally suitable for ______ High voltage and small output None of the listed here Low voltage and high output High voltage and high output High voltage and small output None of the listed here Low voltage and high output High voltage and high output ANSWER DOWNLOAD EXAMIANS APP
Transformers The amount of copper in the primary is _______that of secondary. Greater than About the same as None of the listed here Smaller than Greater than About the same as None of the listed here Smaller than ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following transformer should never have the secondary open circuited while the primary is energised? Power transformer Potential transformer Current transformer Auto transformer Power transformer Potential transformer Current transformer Auto transformer ANSWER DOWNLOAD EXAMIANS APP
Transformers In a transformer routine efficiency depends upon Both power factor and load current Power factor of load Supply frequency Load current Both power factor and load current Power factor of load Supply frequency Load current ANSWER DOWNLOAD EXAMIANS APP
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