A. load current
B. load current and voltage
C. load current, voltage and frequency
D. load current, voltage, frequency and power factor
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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...
- Hysteresis loss in a transformer varies as CBmax = maximum flux density) ?
- A. Bmax B. Bmax1-6 C. Bmax1-83 D. B max...
- The use of higher flux density in the transformer design____________?
- A. reduces weight per kVA B. reduces iron losses C. reduces copper losses D. increases part load efficiency...
- The value of flux involved m the e.m.f. equation of a transformer is____________?
- A. average value B. r.m.s. value C. maximum value D. instantaneous value...
- The path of the magnetic flux in transformer should have____________?
- A. high reluctance B. low reactance C. high resistance D. low resistance...
- 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 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...
- The degree of mechanical vibrations produced by the laminations of a transformer depends on____________?
- A. tightness of clamping B. gauge of laminations C. size of laminations D. all of the above...
- In a transformer routine efficiency depends upon_____________?
- A. supply frequency B. load current C. power factor of load D. both B. and (c)...
- Greater the secondary leakage flux____________?
- A. less will be the secondary induced e.m.f. B. less will be the primary induced e.m.f. C. less will be the primary terminal voltage D. none of the above...
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