A. low,low
B. high,high
C. low,high
D. high,low
Advertisement
Related Mcqs:
- The changes in volume of transformer cooling oil due to variation of atmospheric temperature during day and night is taken care of by which part of transformer?
- A. Conservator B. Breather C. Bushings D. Buchholz relay...
- Gas is usually not liberated due to dissociation of transformer oil unless the oil temperature exceeds?
- A. 50°C B. 80°C C. 100°C D. 150°C...
- Which of the following is the main advantage of an auto-transformer over a two winding transformer?
- A. Hysteresis losses are reduced B. Saving in winding material C. Copper losses are negligible D. Eddy losses are totally eliminated...
- The dielectric strength of transformer oil is expected to be______________?
- A. lkV B. 33 kV C. 100 kV D. 330 kV...
- A transformer oil must be free from________________?
- A. sludge B. odour C. gases D. moisture...
- Which of the following does not change in a transformer ?
- A. Current B. Voltage C. Frequency D. All of the above...
- Which winding in a transformer has more number of turns ?
- A. Low voltage winding B. High voltage winding C. Primary winding D. Secondary winding...
- In a transformer the resistance between its primary and secondary is____________?
- A. zero B. 1 ohm C. 1000 ohms D. infinite...
- A transformer can have zero voltage regulation at______________?
- A. leading power factor B. lagging power factor C. unity power factor D. zero power factor...
- A shell-type transformer has_________?
- A. high eddy current losses B. reduced magnetic leakage C. negligibly hysteresis losses D. none of the above...
Advertisement
