Transformers The all day efficiency of a transformer is ______ the commercial efficiency. The same as More than Less than None of the listed here The same as More than Less than None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Transformers Leakage flux in a transformer occurs because Applied voltage is sinusoidal Air is not a good magnetic insulator Transformer is not an efficient device Iron core has high permeability Applied voltage is sinusoidal Air is not a good magnetic insulator Transformer is not an efficient device Iron core has high permeability ANSWER DOWNLOAD EXAMIANS APP
Transformers Which type of winding is used in 3phase shell-type transformer? Cylindrical type Circular type Rectangular type Sandwich type Cylindrical type Circular type Rectangular type Sandwich type ANSWER DOWNLOAD EXAMIANS APP
Transformers We can find _______of the transformer with open circuit test. Copper losses Total equivalent leakage reactance Turn ratio Total equivalent resistance Copper losses Total equivalent leakage reactance Turn ratio Total equivalent resistance ANSWER DOWNLOAD EXAMIANS APP
Transformers The mutual flux in a transformer remains constant at all loads because ______ Leakage flux is small Iron core is used Losses are small Applied voltage and frequency are constant Leakage flux is small Iron core is used Losses are small Applied voltage and frequency are constant ANSWER DOWNLOAD EXAMIANS APP
Transformers A shell-type transformer has None of these negligibly hysteresis losses high eddy current losses reduced magnetic leakage None of these negligibly hysteresis losses high eddy current losses reduced magnetic leakage ANSWER DOWNLOAD EXAMIANS APP
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