DC Generators The armature of a dc machine is made of ______ Cast steel Soft iron Silocon steel Wrought iron Cast steel Soft iron Silocon steel Wrought iron ANSWER DOWNLOAD EXAMIANS APP
DC Generators Inter-pole flux should be sufficient to None of these Neutralize both the armature reaction flux as well as commutating e.m.f. induced in the coil Neutralize the commutating self induced e.m.f. Neutralize the armature reaction flux None of these Neutralize both the armature reaction flux as well as commutating e.m.f. induced in the coil Neutralize the commutating self induced e.m.f. Neutralize the armature reaction flux ANSWER DOWNLOAD EXAMIANS APP
DC Generators ______ dc machine are most common. 8 pole 4 pole 6 pole 2 pole 8 pole 4 pole 6 pole 2 pole ANSWER DOWNLOAD EXAMIANS APP
DC Generators The overall efficiency of a dc generator is maximum when its variable loss is equal to Stray loss Mechanical loss Iron loss Constant loss Stray loss Mechanical loss Iron loss Constant loss ANSWER DOWNLOAD EXAMIANS APP
DC Generators The voltage drop for which of the following types of brush can be expected to be least? Carbon brushes Metal graphite brushes Graphite brushes None of these Carbon brushes Metal graphite brushes Graphite brushes None of these ANSWER DOWNLOAD EXAMIANS APP
DC Generators Wave winding is composed of That even number which is exact multiple of poles + 2 Any even number of conductors Any odd number of conductors That even number which is exact multiple of poles That even number which is exact multiple of poles + 2 Any even number of conductors Any odd number of conductors That even number which is exact multiple of poles ANSWER DOWNLOAD EXAMIANS APP
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