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 Compensating winding Dummy coils Interpoles Shifting of axis of brushes Compensating winding Dummy coils Interpoles Shifting of axis of brushes ANSWER DOWNLOAD EXAMIANS APP
DC Generators The armature winding of a dc machine is ______ winding. Partly open circuit and partly closed circuit A closed circuit None of the listed here An open circuit Partly open circuit and partly closed circuit A closed circuit None of the listed here An open circuit ANSWER DOWNLOAD EXAMIANS APP
DC Generators The copper loss is constant for None of the listed here Series generator only Shunt generator only Both shunt and compound generator None of the listed here Series generator only Shunt generator only Both shunt and compound generator 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 Fail to excite Excite to one half of full voltage Excite to full voltage None of the listed here Fail to excite Excite to one half of full voltage Excite to full voltage None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Generators The number of brushes in a commutator depends on Type of winding Voltage Speed of armature Amount of current to be collected Type of winding Voltage Speed of armature Amount of current to be collected ANSWER DOWNLOAD EXAMIANS APP
DC Generators The yoke of a dc machine is made of Soft iron Aluminum Silicon steel Cast steel Soft iron Aluminum Silicon steel Cast steel ANSWER DOWNLOAD EXAMIANS APP
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