A. special test
B. routine test
C. type test
D. none of the above
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Related Mcqs:
- The noise produced by a transformer is termed as_______________________?
- A. zoom B. hum C. ringing D. buzz...
- 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...
- While conducting short-circuit test on a transformer the following side is short circuited?
- A. High voltage side B. Low voltage side C. Primary side D. Secondary side...
- An open-circuit test on a transformer is conducted primarily to measure______________?
- A. insulation resistance B. copper loss C. core loss D. total loss E. efficiency F. none of the above...
- A no-load test is performed on a transformer to determine_______________?
- A. core loss B. copper loss C. efficiency D. magnetising current E. magnetising current and loss...
- During open circuit test of a transformer:
- A. primary is supplied rated voltage B. primary is supplied full-load current C. primary is supplied current at reduced voltage D. primary is supplied rated kVA...
- The noise resulting from vibrations of laminations set by magnetic forces, is termed as_________________?
- A. magnetostrication B. boo C. hum D. zoom...
- A transformer cannot raise or lower the voltage of a D.C. supply because_______________?
- A. there is no need to change the D.C. voltage B. a D.C. circuit has more losses C. Faraday’s laws of electromagnetic induction are not valid since the rate of change of flux is zero D. none of the above...
- An ideal transformer has infinite values of primary and secondary inductances. The statement is______________?
- A. true B. false...
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