DC Generators In a commutator None of the listed here Copper is harder than mica Mica is harder than copper Mica and copper are equally hard None of the listed here Copper is harder than mica Mica is harder than copper Mica and copper are equally hard ANSWER DOWNLOAD EXAMIANS APP
DC Generators _____ together are called stray losses. Copper and iron losses Frictional loss and copper loss Field copper loss and iron loss Iron and friction losses Copper and iron losses Frictional loss and copper loss Field copper loss and iron loss Iron and friction losses ANSWER DOWNLOAD EXAMIANS APP
DC Generators A separately excited generator as compared to a self-excited generator Has all above features Is amenable to better voltage control Is more stable Has exciting current independent of load current Has all above features Is amenable to better voltage control Is more stable Has exciting current independent of load current ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a practical dc generator, mechanical efficiency is Less than electrical efficiency Equal to electrical efficiency None of the listed here More than electrical efficiency Less than electrical efficiency Equal to electrical efficiency None of the listed here More than electrical efficiency ANSWER DOWNLOAD EXAMIANS APP
DC Generators The e.m.f. induced in the armature of a shunt generator is 600 V. The armature resistance is 0.1 ohm. If the armature current is 200 A, the terminal voltage will be 600 V 620 V 640 V 580 V 600 V 620 V 640 V 580 V ANSWER DOWNLOAD EXAMIANS APP
DC Generators The dc generator that has poorest voltage is Over compounded generator Flat compounded generator Shunt generator Series generator Over compounded generator Flat compounded generator Shunt generator Series generator ANSWER DOWNLOAD EXAMIANS APP
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