DC Generators The armature of dc generator is laminated to Reduce the bulk Provide the bulk Reduce eddy current loss Insulate the core Reduce the bulk Provide the bulk Reduce eddy current loss Insulate the core ANSWER DOWNLOAD EXAMIANS APP
DC Generators The ideal commutation in a coil is not possible because each coil has Capacitance Resistance Inductance None of the listed here Capacitance Resistance Inductance None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a D.C. generator External resistance = internal characteristic armature reaction Internal characteristic = magnetization characteristic ohmic drop External characteristic = magnetization characteristic ohmic drop armature reaction Magnetization characteristic = external characteristic External resistance = internal characteristic armature reaction Internal characteristic = magnetization characteristic ohmic drop External characteristic = magnetization characteristic ohmic drop armature reaction Magnetization characteristic = external characteristic ANSWER DOWNLOAD EXAMIANS APP
DC Generators Carbon brushes are used in a dc machine because _______ Contact resistance is decreased Carbon is cheap None of the listed here Carbon lubricates and polishes the commutator Contact resistance is decreased Carbon is cheap None of the listed here Carbon lubricates and polishes the commutator ANSWER DOWNLOAD EXAMIANS APP
DC Generators If the value of shunt field resistance of a shunt generator is greater than the critical resistance, the generator will Fail to excite Excite to one half of full voltage Excite to full voltage None of the listed here Fail to excite Excite to one half of full voltage Excite to full voltage None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a four-pole D.C. machine All the four poles are south poles Alternate poles are north and south Two north poles follow two south poles All the four poles are north poles All the four poles are south poles Alternate poles are north and south Two north poles follow two south poles All the four poles are north poles ANSWER DOWNLOAD EXAMIANS APP
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