DC Generators The armature of a dc machine is made of ______ Wrought iron Soft iron Cast steel Silocon steel Wrought iron Soft iron Cast steel Silocon steel ANSWER DOWNLOAD EXAMIANS APP
DC Generators _____ together are called stray losses. Frictional loss and copper loss Iron and friction losses Copper and iron losses Field copper loss and iron loss Frictional loss and copper loss Iron and friction losses Copper and iron losses Field copper loss and iron loss ANSWER DOWNLOAD EXAMIANS APP
DC Generators Which of the following will not prevent a self excited shunt generator from building upto its full voltage? No residual magnetism Speed too high Wrong direction of rotation Open field No residual magnetism Speed too high Wrong direction of rotation Open field ANSWER DOWNLOAD EXAMIANS APP
DC Generators The terminal voltage of a series generator is 150 V when the load current is 5 A. If the load current is increased to 10 A, the terminal voltage will be None of these 150 V Less than 150 V Greater than 150 V None of these 150 V Less than 150 V Greater than 150 V ANSWER DOWNLOAD EXAMIANS APP
DC Generators The armature of dc generator is laminated to Provide the bulk Reduce the bulk Reduce eddy current loss Insulate the core Provide the bulk Reduce the bulk Reduce eddy current loss Insulate the core ANSWER DOWNLOAD EXAMIANS APP
DC Generators In lap winding, the number of brushes is always Double the number of poles Same as the number of poles Half the number of poles Two Double the number of poles Same as the number of poles Half the number of poles Two ANSWER DOWNLOAD EXAMIANS APP
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