DC Generators In a four-pole D.C. machine 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 All the four poles are north poles Alternate poles are north and south All the four poles are south poles ANSWER DOWNLOAD EXAMIANS APP
DC Generators The overall efficiency of a dc generator is maximum when its variable loss is equal to Iron loss Constant loss Mechanical loss Stray loss Iron loss Constant loss Mechanical loss Stray loss ANSWER DOWNLOAD EXAMIANS APP
DC Generators Lap winding is composed of That even number which is exact multiple of poles That even number which is exact multiple of poles + 2 Any odd number of conductors Any even number of conductors That even number which is exact multiple of poles That even number which is exact multiple of poles + 2 Any odd number of conductors Any even number of conductors ANSWER DOWNLOAD EXAMIANS APP
DC Generators The number of brushes in a commutator depends on Speed of armature Type of winding Amount of current to be collected Voltage Speed of armature Type of winding Amount of current to be collected Voltage ANSWER DOWNLOAD EXAMIANS APP
DC Generators The current in armature conductors of a dc machine is ______ Pure dc Pure dc plus pulsating dc Ac Pulsating dc Pure dc Pure dc plus pulsating dc Ac Pulsating dc ANSWER DOWNLOAD EXAMIANS APP
DC Generators Which of the following generating machine will offer constant voltage on all loads? Separately excited generator Level compounded generator Self-excited generator All of these Separately excited generator Level compounded generator Self-excited generator All of these ANSWER DOWNLOAD EXAMIANS APP
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