DC Generators In a dc generator, the eddy current power loss is Inversely proprtional to thickness of each lamination None of the listed here Directly proportional to sqaure of thickness of each lamination Directly proportional to thickness of each lamination Inversely proprtional to thickness of each lamination None of the listed here Directly proportional to sqaure of thickness of each lamination Directly proportional to thickness of each lamination ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a D.C. generator in order to reduce sparking at brushes, the self-induced e.m.f. in the coil is neutralized by all of the following except Shifting of axis of brushes Interpoles Dummy coils Compensating winding Shifting of axis of brushes Interpoles Dummy coils Compensating winding ANSWER DOWNLOAD EXAMIANS APP
DC Generators ______ dc machine are most common. 4 pole 2 pole 6 pole 8 pole 4 pole 2 pole 6 pole 8 pole ANSWER DOWNLOAD EXAMIANS APP
DC Generators As a result of armature reaction, the reduction in the total mutual air gap flux in a D.C. generator is approximately 10 percent 25 percent 40 percent 5 percent 10 percent 25 percent 40 percent 5 percent 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 None of the listed here Excite to one half of full voltage Excite to full voltage Fail to excite None of the listed here Excite to one half of full voltage Excite to full voltage Fail to excite ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a four-pole D.C. machine Two north poles follow two south poles Alternate poles are north and south All the four poles are south poles All the four poles are north poles Two north poles follow two south poles Alternate poles are north and south All the four poles are south poles All the four poles are north poles ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS