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Natural oil cooling is used for transformers up to a rating of____________?
Related MCQs
In the transformer the function of a conservator is to__________?
In a transformer routine efficiency depends upon__________?
The no load current in a transformer lags behind the applied voltage by an angle of about__________?
A common method of cooling a power transformer is__________?
In a given transformer for given applied voltage, losses which remain constant irrespective of load changes are__________?
Efficiency of a power transformer is of the order of__________?
Which winding in a transformer has more number of turns ?
Primary winding of a transformer__________?
A transformer cannot raise or lower the voltage of a D.C. supply because__________?
A transformer transforms__________?
In the transformer following winding has got more cross-sectional area__________?
While conducting short-circuit test on a transformer the following side is short circuited?
Which of the following is not a part of transformer installation ?
The purpose of providing an iron core in a transformer is to__________?
No-load current in a transformer__________?
The efficiency of a transformer will be maximum when__________?
The permissible flux density in case of cold rolled grain oriented steel is around__________?
Sumpner’s test is conducted on transformers to determine__________?
The dielectric strength of transformer oil is expected to be__________?
No-load on a transformer is carried out to determine__________?
The path of a magnetic flux in a transformer should have__________?
The no-load current drawn by transformer is usually what per cent of the full-load current ?
The degree of mechanical vibrations produced by the laminations of a transformer depends on__________?
A transformer core is laminated to__________?
In a transformer the energy is conveyed from primary to secondary_________?
Which of the following does not change in a transformer ?
Natural oil cooling is used for transformers up to a rating of____________?
A. 3000 kVA
B. 1000 kVA
C. 500 kVA
D. 250 kVA
Correct Answer:
3000 kVA
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Last Updated:
June 28, 2018