DC Generators The main drawback of a dc shunt generator is that Generated voltage is small It is expensive Terminal voltage drops considerably Shunt field circuit has high resistance Generated voltage is small It is expensive Terminal voltage drops considerably Shunt field circuit has high resistance ANSWER DOWNLOAD EXAMIANS APP
DC Generators Carbon brushes are used in a dc machine because _______ Contact resistance is decreased None of the listed here Carbon is cheap Carbon lubricates and polishes the commutator Contact resistance is decreased None of the listed here Carbon is cheap Carbon lubricates and polishes the commutator ANSWER DOWNLOAD EXAMIANS APP
DC Generators The field winding of a dc shunt machine usually caries _______ of the rated current of the machine. 2% to 5% Less than 0.5 % More than 20% 15 to 25% 2% to 5% Less than 0.5 % More than 20% 15 to 25% ANSWER DOWNLOAD EXAMIANS APP
DC Generators The commutator pitch for simplex lap winding is equal to Number of pairs of poles 1 Numbers of poles in the machine None of the listed here Number of pairs of poles 1 Numbers of poles in the machine None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Generators In case of D.C. machine winding, number of commutator segments is equal to Number of armature conductors Number of armature coils Number of armature coil sides Number of armature turns Number of armature conductors Number of armature coils Number of armature coil sides Number of armature turns ANSWER DOWNLOAD EXAMIANS APP
DC Generators The field structure of a dc machine uses ______ Both salient and non salient pole arrangements None of the listed here None salient pole arrangements Salient pole arrangements Both salient and non salient pole arrangements None of the listed here None salient pole arrangements Salient pole arrangements ANSWER DOWNLOAD EXAMIANS APP
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