DC Generators If the value of shunt field resistance of a shunt generator is greater than the critical resistance, the generator will Excite to full voltage Excite to one half of full voltage Fail to excite None of the listed here Excite to full voltage Excite to one half of full voltage Fail to excite None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Generators _____ together are called stray losses. Frictional loss and copper loss Field copper loss and iron loss Copper and iron losses Iron and friction losses Frictional loss and copper loss Field copper loss and iron loss Copper and iron losses Iron and friction losses ANSWER DOWNLOAD EXAMIANS APP
DC Generators The purpose of providing dummy coils in a generator is To amplify voltage To provide mechanical balance for the rotor To enhance flux density To reduce eddy current losses To amplify voltage To provide mechanical balance for the rotor To enhance flux density To reduce eddy current losses ANSWER DOWNLOAD EXAMIANS APP
DC Generators Laminations of core are generally made of Stainless steel Case iron Carbon Silicon steel Stainless steel Case iron Carbon Silicon steel ANSWER DOWNLOAD EXAMIANS APP
DC Generators In case of D.C. machine winding, number of commutator segments is equal to Number of armature coil sides Number of armature turns Number of armature conductors Number of armature coils Number of armature coil sides Number of armature turns Number of armature conductors Number of armature coils ANSWER DOWNLOAD EXAMIANS APP
DC Generators A separately excited generator as compared to a self-excited generator Has all above features Is more stable Is amenable to better voltage control Has exciting current independent of load current Has all above features Is more stable Is amenable to better voltage control Has exciting current independent of load current ANSWER DOWNLOAD EXAMIANS APP
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