Transformers How many primary volts must be applied to a transformer with a turns ratio of 0.1 to obtain a secondary voltage of 9 V? 9 V 0.9 V 90 V 900 V 9 V 0.9 V 90 V 900 V ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following is not a part of transformer installation? Conservator Buchholz relay Exciter Breather Conservator Buchholz relay Exciter Breather ANSWER DOWNLOAD EXAMIANS APP
Transformers The maximum efficiency of a distribution transformer is at 50% full load at full load at 80% full load at no load at 50% full load at full load at 80% full load at no load ANSWER DOWNLOAD EXAMIANS APP
Transformers Which type of winding is used in 3phase shell-type transformer? Sandwich type Cylindrical type Circular type Rectangular type Sandwich type Cylindrical type Circular type Rectangular type ANSWER DOWNLOAD EXAMIANS APP
Transformers Harmonics in transformer result in increased I2R losses increased core losses All of the listed here magnetic interference with communication circuits increased I2R losses increased core losses All of the listed here magnetic interference with communication circuits ANSWER DOWNLOAD EXAMIANS APP
Transformers Cores of large transformers are built upto nearly circular cross section in order to reduce Copper loss Eddy current loss Leakage reactance Iron losses Copper loss Eddy current loss Leakage reactance Iron losses ANSWER DOWNLOAD EXAMIANS APP
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