Q121
Open questionWhat will happen if the transformers working in parallel are not connected with regard to polarity?
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Electrical Engineering · all questionsTransformers
Transformers
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Q122
Open questionTransformer breaths in when
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Q123
Open questionMaterial used for construction of transformer core is usually
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Q124
Open questionNatural oil cooling is used for transformers up to a rating of
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Q125
Open questionThe maximum load that a power transformer can carry is limited by its
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Q126
Open questionWhich of the following is the most likely source of harmonics in a transformer?
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Q127
Open questionThe leakage flux in a transformer depends upon
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Q128
Open questionThe noise produced by a transformer is termed as
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Q129
Open questionA no-load test is performed on a transformer to determine
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Q130
Open questionWhich of the following parts of a transformer is visible from outside?
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Q131
Open questionThe magnetising current of a transformer is usually small because it has
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Q132
Open questionWhich of the following insulating materials can withstand the highest temperature safely?
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Q133
Open questionIn case of 3-phase induction motors, plugging means
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Q134
Open questionThe main reason for generation of harmonics in a transformer could be
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Q135
Open questionWhen secondary of a current transformer is open-circuited its iron core will be
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Q136
Open questionSpacers are provided between adjacent coils
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Q137
Open questionA shell-type transformer has
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Q138
Open questionIn Ns is the synchronous speed and s the slip, then actual running speed of an induction motor will be
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Q139
Open questionDistribution transformers are generally designed for maximum efficiency around
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Q140
Open questionPower transformers are generally designed to have maximum efficiency around
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