Transformers In a transformer the energy is conveyed from primary to secondary through cooling coil by the flux through air None of these through cooling coil by the flux through air None of these ANSWER DOWNLOAD EXAMIANS APP
Transformers Natural air cooling is generally restricted for transformers up to 5 MVA 15 MVA 50 MVA 1.5 MVA 5 MVA 15 MVA 50 MVA 1.5 MVA ANSWER DOWNLOAD EXAMIANS APP
Transformers The power efficiency of a lightning transformer is always ______its all day efficiency. Equal to Higher than Less than None of the listed here Equal to Higher than Less than None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Transformers In a transformer routine efficiency depends upon Supply frequency Both power factor and load current Power factor of load Load current Supply frequency Both power factor and load current Power factor of load Load current ANSWER DOWNLOAD EXAMIANS APP
Transformers Leakage flux in a transformer occurs because Applied voltage is sinusoidal Transformer is not an efficient device Iron core has high permeability Air is not a good magnetic insulator Applied voltage is sinusoidal Transformer is not an efficient device Iron core has high permeability Air is not a good magnetic insulator ANSWER DOWNLOAD EXAMIANS APP
Transformers Material used for construction of transformer core is usually Copper Silicon steel Aluminium Wood Copper Silicon steel Aluminium Wood ANSWER DOWNLOAD EXAMIANS APP
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