Transformers Which type of winding is used in 3phase shell-type transformer? Cylindrical type Rectangular type Circular type Sandwich type Cylindrical type Rectangular type Circular type Sandwich type ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following is the main advantage of an auto-transformer over a two winding transformer? Copper losses are negligible Eddy losses are totally eliminated Saving in winding material Hysteresis losses are reduced Copper losses are negligible Eddy losses are totally eliminated Saving in winding material Hysteresis losses are reduced ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following acts as a protection against high voltage surges due to lightning and switching? Conservator Breather Horn gaps Thermal overload relays Conservator Breather Horn gaps Thermal overload relays 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 Short circuit test of a transformer helps us to find its Full load cu loss Iron loss Cu loss at no load None of the listed here Full load cu loss Iron loss Cu loss at no load None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following is not a fitting on a transformer? Buchholz's relay Breather Conservator Commutator Buchholz's relay Breather Conservator Commutator ANSWER DOWNLOAD EXAMIANS APP
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