DC Generators In a D.C. generator Internal characteristic = magnetization characteristic ohmic drop External resistance = internal characteristic armature reaction Magnetization characteristic = external characteristic External characteristic = magnetization characteristic ohmic drop armature reaction Internal characteristic = magnetization characteristic ohmic drop External resistance = internal characteristic armature reaction Magnetization characteristic = external characteristic External characteristic = magnetization characteristic ohmic drop armature reaction ANSWER DOWNLOAD EXAMIANS APP
DC Generators The O. C. C. of a dc generator is also called its_______ characteristic. External Internal Performance No load saturation External Internal Performance No load saturation ANSWER DOWNLOAD EXAMIANS APP
DC Generators The dc generator that has poorest voltage is Shunt generator Series generator Over compounded generator Flat compounded generator Shunt generator Series generator Over compounded generator Flat compounded generator ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a four-pole D.C. machine All the four poles are north poles Alternate poles are north and south All the four poles are south poles Two north poles follow two south poles All the four poles are north poles Alternate poles are north and south All the four poles are south poles Two north poles follow two south poles ANSWER DOWNLOAD EXAMIANS APP
DC Generators Carbon brushes are used in a dc machine because _______ None of the listed here Contact resistance is decreased Carbon lubricates and polishes the commutator Carbon is cheap None of the listed here Contact resistance is decreased Carbon lubricates and polishes the commutator Carbon is cheap ANSWER DOWNLOAD EXAMIANS APP
DC Generators _____ together are called stray losses. Field copper loss and iron loss Frictional loss and copper loss Iron and friction losses Copper and iron losses Field copper loss and iron loss Frictional loss and copper loss Iron and friction losses Copper and iron losses ANSWER DOWNLOAD EXAMIANS APP
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