Transformers Which of the following property is not necessarily desirable in the material for transformer core? Low hysteresis loss Mechanical strength High permeability High thermal conductivity Low hysteresis loss Mechanical strength High permeability High thermal conductivity ANSWER DOWNLOAD EXAMIANS APP
Transformers When the secondary of a transformer is short circuited, the primary inductance _______ Is decreased Remians unchanged Is increased None of the listed here Is decreased Remians unchanged Is increased None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Transformers The core type transformer is generally suitable for ______ 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 High voltage and high output None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following insulating materials can withstand the highest temperature safely? Cellulose Glass fibre Mica Asbestos Cellulose Glass fibre Mica Asbestos ANSWER DOWNLOAD EXAMIANS APP
Transformers The short circuit test helps us to find Iron loss at no load Cu loss at any desire load Cu loss at no load None of the listed here Iron loss at no load Cu loss at any desire load Cu loss at no load None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Transformers Sumpner's test is conducted on transformer to determine None of the listed here Temperature Stray losses All day efficiency None of the listed here Temperature Stray losses All day efficiency ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS