Transformers Which type of winding is used in 3phase shell-type transformer? Rectangular type Circular type Sandwich type Cylindrical type Rectangular type Circular type Sandwich type Cylindrical type ANSWER DOWNLOAD EXAMIANS APP
Transformers When load on a transformer is increased, the eddy current _____ Remains unchanged None of the listed here Is decreased Is increased Remains unchanged None of the listed here Is decreased Is increased ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer has a 1:6 turns ratio and a secondary coil load resistance of 470 . The load resistance as seen by the source is 7.8 Ω 1.3 Ω 13 Ω 78 Ω 7.8 Ω 1.3 Ω 13 Ω 78 Ω ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following insulating materials can withstand the highest temperature safely? Glass fibre Mica Cellulose Asbestos Glass fibre Mica Cellulose Asbestos ANSWER DOWNLOAD EXAMIANS APP
Transformers A no-load test is performed on a transformer to determine core loss magnetising current and loss magnetising current copper loss efficiency core loss magnetising current and loss magnetising current copper loss efficiency ANSWER DOWNLOAD EXAMIANS APP
Transformers The no load ratio of a 50 Hz single phase transformer is 6000/250 V. The maximum flux in the core is 0.06 Wb. What is the number of primary turns? 900 450 350 210 900 450 350 210 ANSWER DOWNLOAD EXAMIANS APP
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