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Transformers
A tap changer is used on a transformer for
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
None of the listed here
Answer
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Related Question
Transformers
The open circuit test on a transformer gives _______
Copper losses
Iron losses
Total losses
Friction losses
Copper losses
Iron losses
Total losses
Friction losses
Answer
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Transformers
Which of the following transformer is smallest?
2kVA, 200 Hz
2kVA, 50 Hz
2kVA, 400 Hz
2kVA, 500 Hz
2kVA, 200 Hz
2kVA, 50 Hz
2kVA, 400 Hz
2kVA, 500 Hz
Answer
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Transformers
In the short circuit test on a transformer, we generally short circuit ______
Either low or high voltage winding
Low voltage winding
High voltage winding
None of the listed here
Either low or high voltage winding
Low voltage winding
High voltage winding
None of the listed here
Answer
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Transformers
A shell-type transformer has
None of these
reduced magnetic leakage
high eddy current losses
negligibly hysteresis losses
None of these
reduced magnetic leakage
high eddy current losses
negligibly hysteresis losses
Answer
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Transformers
A transformer does not posses ______changing property.
Impedance
Power
Voltage
Current
Impedance
Power
Voltage
Current
Answer
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