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.Management Sciences
A. provide fresh air for cooling the transformer
B. supply cooling oil to transformer in time of need
C. protect the transformer from damage when oil expends due to heating
D. none of the above
Related Mcqs:
- The path of a magnetic flux in a transformer should have______________?
- A. high resistance B. high reluctance C. low resistance D. low reluctance...
- Which winding in a transformer has more number of turns ?
- A. Low voltage winding B. High voltage winding C. Primary winding D. Secondary winding...
- If the percentage impedances of the two transformers working in parallel are different, then______________________?
- A. transformers will be overheated B. power factors of both the transformers will be same C. parallel operation will be not possible D. parallel operation will still be possible, but the power factors at which the two transformers operate will be different from the power factor of the common load...
- Which of the following does not change in an ordinary transformer ?
- A. Frequency B. Voltage C. Current D. Any of the above...
- The secondary winding of which of the following transformers is always kept closed?
- A. Step-up transformer B. Step-down transformer C. Potential transformer D. Current transformer...
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