DC Generators Which of the following could be lamina proximately the thickness of laminations of a D.C. machine? 0.005 mm 0.5 m 5 m 0.05 mm 0.005 mm 0.5 m 5 m 0.05 mm ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a four-pole D.C. machine Alternate poles are north and south All the four poles are north poles Two north poles follow two south poles All the four poles are south poles Alternate poles are north and south All the four poles are north poles Two north poles follow two south poles All the four poles are south poles ANSWER DOWNLOAD EXAMIANS APP
DC Generators Carbon brushes are used in a dc machine because _______ Carbon is cheap Contact resistance is decreased Carbon lubricates and polishes the commutator None of the listed here Carbon is cheap Contact resistance is decreased Carbon lubricates and polishes the commutator None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a D.C. generator 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 External resistance = internal characteristic armature reaction Internal characteristic = magnetization characteristic ohmic drop External characteristic = magnetization characteristic ohmic drop armature reaction ANSWER DOWNLOAD EXAMIANS APP
DC Generators The armature winding of a dc machine is ______ winding. A closed circuit An open circuit None of the listed here Partly open circuit and partly closed circuit A closed circuit An open circuit None of the listed here Partly open circuit and partly closed circuit ANSWER DOWNLOAD EXAMIANS APP
DC Generators The field structure of a dc machine uses ______ Both salient and non salient pole arrangements None salient pole arrangements Salient pole arrangements None of the listed here Both salient and non salient pole arrangements None salient pole arrangements Salient pole arrangements None of the listed here ANSWER DOWNLOAD EXAMIANS APP
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