Transformers Cores of large transformers are built upto nearly circular cross section in order to reduce Leakage reactance Eddy current loss Copper loss Iron losses Leakage reactance Eddy current loss Copper loss Iron losses ANSWER DOWNLOAD EXAMIANS APP
Transformers The steel used for transformer core has High permeability High silicon content All of the listed here Low hysteresis loss High permeability High silicon content All of the listed here Low hysteresis loss ANSWER DOWNLOAD EXAMIANS APP
Transformers A tap changer is used on a transformer for None of the listed here Adjustment in primary voltage Adjustments in secondary voltage Adjustment in both primary and secondary None of the listed here Adjustment in primary voltage Adjustments in secondary voltage Adjustment in both primary and secondary ANSWER DOWNLOAD EXAMIANS APP
Transformers The amount of copper in the primary is _______that of secondary. Smaller than About the same as None of the listed here Greater than Smaller than About the same as None of the listed here Greater than ANSWER DOWNLOAD EXAMIANS APP
Transformers Auto-transformer makes effective saving on copper and copper losses, when its transformation ratio is approximately equal to one None of these great than one less than one approximately equal to one None of these great than one less than one 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? 16 kVA 4 kVA 0.25 kVA 8 kVA 16 kVA 4 kVA 0.25 kVA 8 kVA ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS