Transformers A transformer will have zero efficiency at Half full load Full load No load None of the listed here Half full load Full load No load None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Transformers Which type of winding is used in 3phase shell-type transformer? Rectangular type Cylindrical type Circular type Sandwich type Rectangular type Cylindrical type Circular type Sandwich type ANSWER DOWNLOAD EXAMIANS APP
Transformers When secondary of a current transformer is open-circuited its iron core will be none of above will happen hot because primary will carry heavy current hot because of heavy iron losses taking place in it due to high flux density cool as there is no secondary current none of above will happen hot because primary will carry heavy current hot because of heavy iron losses taking place in it due to high flux density cool as there is no secondary current ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following transformer is smallest? 2kVA, 400 Hz 2kVA, 200 Hz 2kVA, 50 Hz 2kVA, 500 Hz 2kVA, 400 Hz 2kVA, 200 Hz 2kVA, 50 Hz 2kVA, 500 Hz ANSWER DOWNLOAD EXAMIANS APP
Transformers Harmonics in transformer result in increased core losses increased I2R losses magnetic interference with communication circuits All of the listed here increased core losses increased I2R losses magnetic interference with communication circuits All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Transformers Which winding of the transformer has less cross-sectional area? Primary winding Low voltage winding High voltage winding Secondary winding Primary winding Low voltage winding High voltage winding Secondary winding ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS