Q161
Open questionWhich of the following methods is most accurate ?
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Electrical Engineering · all questionsElectrical Machine Design
Electrical Machine Design
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Q162
Open question________ has a lowrelative permeability and is used principally in field frames when cost is of primary importance and extra weight is not objectionable.
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Q163
Open question________ is the common method of applying brushes to the commntator.
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Q164
Open questionYokes with rectangular cross-section are used for
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Q165
Open questionWhich of the following meters are not used on D.C. circuits
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Q166
Open questionPower transformers have rating
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Q167
Open questionWhich of the following is the basic consideration in the design of insulation ?
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Q168
Open questionFor measuring a very high resistance we should use
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Q169
Open questionCommonly used instruments in power system measurement are
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Q170
Open questionIs universally used for windings of electrical machines because it is easily workable without any possibility of
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Q171
Open questionA direct current can be measured by
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Q172
Open questionThe gravity controlled instrument has crowded scale because current is proportional to
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Q173
Open questionWhich of the following is an essential part of a motor meter ?
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Q174
Open questionAluminium when adopted as a conductor material in ______ transformers, decreases the overall cost of the transformer
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Q175
Open questionCommonly used standard capacitor is
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Q176
Open questionDamping of the Ballistic galvanometer is made small to
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Q177
Open questionThe high voltage winding is usually which of the following type ?
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Q178
Open questionThe change in flux linkages can be caused in which of the following ways ?
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Q179
Open questionIn a D.C. machine the number of brush arms is _____ the number of poles.
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Q180
Open questionThe operation of a D.C. machine with large air gap lengths is comparatively
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