Transformers In a transformer the energy is conveyed from primary to secondary through cooling coil None of these through air by the flux through cooling coil None of these through air by the flux ANSWER DOWNLOAD EXAMIANS APP
Transformers The hum in a transformer is mainly attributed to load changes magnetostriction mechanical vibrations oil in the transformer load changes magnetostriction mechanical vibrations oil in the transformer ANSWER DOWNLOAD EXAMIANS APP
Transformers Sumpner's test is conducted on transformer to determine Temperature None of the listed here Stray losses All day efficiency Temperature None of the listed here Stray losses All day efficiency ANSWER DOWNLOAD EXAMIANS APP
Transformers If a transformer core has air gaps, then, _________ Reluctance of magnetic path is decreased Magnetising current is greatly increased Hysteresis loss is decreased Eddy current is increased Reluctance of magnetic path is decreased Magnetising current is greatly increased Hysteresis loss is decreased Eddy current is increased ANSWER DOWNLOAD EXAMIANS APP
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 A transformer will work on Dc only Ac only None of the listed here AC as well as DC Dc only Ac only None of the listed here AC as well as DC ANSWER DOWNLOAD EXAMIANS APP