Transformers Distribution transformers are generally designed for maximum efficiency around 90% load 25% load 50% load Zero load 90% load 25% load 50% load Zero load ANSWER DOWNLOAD EXAMIANS APP
Transformers Transformer having ratings less than 5kVA are generally ______ None of the listed here Water cooled Oil cooled Natural air cooled None of the listed here Water cooled Oil cooled Natural air cooled ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following property is not necessarily desirable in the material for transformer core? High thermal conductivity Low hysteresis loss Mechanical strength High permeability High thermal conductivity Low hysteresis loss Mechanical strength High permeability ANSWER DOWNLOAD EXAMIANS APP
Transformers The core type transformer is generally suitable for ______ High voltage and high output Low voltage and high output None of the listed here High voltage and small output High voltage and high output Low voltage and high output None of the listed here High voltage and small output ANSWER DOWNLOAD EXAMIANS APP
Transformers Cores of large transformers are built upto nearly circular cross section in order to reduce Copper loss Iron losses Eddy current loss Leakage reactance Copper loss Iron losses Eddy current loss Leakage reactance ANSWER DOWNLOAD EXAMIANS APP
Transformers The primary and secondary of a transformer are ______ coupled. Magnetically Electrically Electrically and magnetically None of the listed here Magnetically Electrically Electrically and magnetically None of the listed here ANSWER DOWNLOAD EXAMIANS APP
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