Q101
Open questionA transformer can have zero voltage regulation at
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Electrical Engineering · all questionsTransformers
Transformers
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Q102
Open questionThe secondary of a current transformer is always short-circuited under operating conditions because it
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Q103
Open questionThe 'cogging' of an induction motor can be avoided by
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Q104
Open questionWhich of the following is not a part of transformer installation?
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Q105
Open questionWhich winding of the transformer has less cross-sectional area?
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Q106
Open questionThe complete circle diagram of induetion motor can be drawn with the help of data found from
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Q107
Open questionA common method of cooling a power transformer is
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Q108
Open questionAn open-circuit test on a transformer is conducted primarily to measure
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Q109
Open questionIn a transformer the energy is conveyed from primary to secondary
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Q110
Open questionThe voltage transformation ratio of a transformer is equal to the ratio of
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Q111
Open questionIron loss of a transformer can be measured by
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Q112
Open questionEfficiency of a power transformer is of the order of
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Q113
Open questionWhich of the following property is not necessarily desirable in the material for transformer core?
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Q114
Open questionWhich of the following properties is not necessarily desirable for the material for transformer core?
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Q115
Open questionNatural air cooling is generally restricted for transformers up to
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Q116
Open questionReduction in core losses and increase in permeability are obtained with transformer employing
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Q117
Open questionHarmonics in transformer result in
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Q118
Open questionThe efficiency of a transformer, under heavy loads, is comparatively low because
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Q119
Open questionIn a power or distribution transformer about 10 per cent end turns are heavily insulated
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Q120
Open questionWhich winding in a transformer has more number of turns?
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