Transformers A tap changer is used on a transformer for Adjustments in secondary voltage None of the listed here Adjustment in primary voltage Adjustment in both primary and secondary Adjustments in secondary voltage None of the listed here Adjustment in primary voltage Adjustment in both primary and secondary ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following transformer is smallest? 2kVA, 50 Hz 2kVA, 200 Hz 2kVA, 400 Hz 2kVA, 500 Hz 2kVA, 50 Hz 2kVA, 200 Hz 2kVA, 400 Hz 2kVA, 500 Hz ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following insulating materials can withstand the highest temperature safely? Mica Asbestos Cellulose Glass fibre Mica Asbestos Cellulose Glass fibre ANSWER DOWNLOAD EXAMIANS APP
Transformers In a step-down transformer, there is a change of 15 A in the load current. This results in change of supply current of None of these more than 15 A 15 A less than 15 A None of these more than 15 A 15 A less than 15 A ANSWER DOWNLOAD EXAMIANS APP
Transformers A step up transformer increases Power Current Voltage Frequency Power Current Voltage Frequency 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 0.25 kVA 8 kVA 4 kVA 16 kVA 0.25 kVA 8 kVA 4 kVA ANSWER DOWNLOAD EXAMIANS APP
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