Transformers Natural oil cooling is used for transformers upto a rating of 500 kVA 1000 kVA 3000 kVA 250 kVA 500 kVA 1000 kVA 3000 kVA 250 kVA ANSWER DOWNLOAD EXAMIANS APP
Transformers The core type transformer provides _______ Shorter magnetic path None of the listed here Much longer magnetic path Lesser average length per turn Shorter magnetic path None of the listed here Much longer magnetic path Lesser average length per turn ANSWER DOWNLOAD EXAMIANS APP
Transformers Leakage flux in a transformer occurs because Iron core has high permeability Applied voltage is sinusoidal Transformer is not an efficient device Air is not a good magnetic insulator Iron core has high permeability Applied voltage is sinusoidal Transformer is not an efficient device Air is not a good magnetic insulator ANSWER DOWNLOAD EXAMIANS APP
Transformers Power transformers are generally designed to have maximum efficiency around near full-load no-load half-load 10% overload near full-load no-load half-load 10% overload ANSWER DOWNLOAD EXAMIANS APP
Transformers The dielectric strength of transformer oil is expected to be 33 kV 100 kV 330 kV lkV 33 kV 100 kV 330 kV lkV ANSWER DOWNLOAD EXAMIANS APP
Transformers The secondary of a current transformer is always short-circuited under operating conditions because it None of these protects the primary circuit is safe to human beings avoids core saturation and high voltage induction None of these protects the primary circuit is safe to human beings avoids core saturation and high voltage induction ANSWER DOWNLOAD EXAMIANS APP
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