Transformers The maximum efficiency of a distribution transformer is at 80% full load at no load at 50% full load at full load at 80% full load at no load at 50% full load at full load ANSWER DOWNLOAD EXAMIANS APP
Transformers Distribution transformers are generally designed for maximum efficiency around 50% load 90% load 25% load Zero load 50% load 90% load 25% load Zero load ANSWER DOWNLOAD EXAMIANS APP
Transformers The primary winding of a power transformer should always be open switched shorted fused open switched shorted fused ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following property is not necessarily desirable in the material for transformer core? Mechanical strength Low hysteresis loss High thermal conductivity High permeability Mechanical strength Low hysteresis loss High thermal conductivity High permeability ANSWER DOWNLOAD EXAMIANS APP
Transformers The core type transformer is generally suitable for ______ High voltage and high output None of the listed here Low voltage and high output High voltage and small output High voltage and high output None of the listed here Low voltage and high output High voltage and small output ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following transformer should never have the secondary open circuited while the primary is energised? Current transformer Potential transformer Auto transformer Power transformer Current transformer Potential transformer Auto transformer Power transformer ANSWER DOWNLOAD EXAMIANS APP
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