Transformers The open circuit test on a transformer is always made on ______ High voltage winding Low voltage winding None of the listed here Either low or high voltage winding High voltage winding Low voltage winding None of the listed here Either low or high voltage winding ANSWER DOWNLOAD EXAMIANS APP
Transformers The iron core is used to ______of the transformer. Provide tight magnetic coupling Increase the wight Reduce core loss None of the listed here Provide tight magnetic coupling Increase the wight Reduce core loss None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Transformers A shell-type transformer has reduced magnetic leakage None of these negligibly hysteresis losses high eddy current losses reduced magnetic leakage None of these negligibly hysteresis losses high eddy current losses ANSWER DOWNLOAD EXAMIANS APP
Transformers Open circuit test on transformers is conducted to determine hysteresis losses core losses eddy current losses copper losses hysteresis losses core losses eddy current losses copper losses ANSWER DOWNLOAD EXAMIANS APP
Transformers Leakage flux in a transformer occurs because 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 Applied voltage is sinusoidal Transformer is not an efficient device ANSWER DOWNLOAD EXAMIANS APP
Transformers What kVA rating is required for a transformer that must handle a maximum load current of 8 A with a secondary voltage of 2 kV? 0.25 kVA 8 kVA 4 kVA 16 kVA 0.25 kVA 8 kVA 4 kVA 16 kVA ANSWER DOWNLOAD EXAMIANS APP