DC Generators In a D.C. machine stray loss is the sum of Armature copper loss and iron loss Iron loss and mechanical loss Total copper loss and mechanical loss Shunt field copper loss and mechanical loss Armature copper loss and iron loss Iron loss and mechanical loss Total copper loss and mechanical loss Shunt field copper loss and mechanical loss ANSWER DOWNLOAD EXAMIANS APP
DC Generators A separately excited generator as compared to a self-excited generator Is amenable to better voltage control Is more stable Has all above features Has exciting current independent of load current Is amenable to better voltage control Is more stable Has all above features Has exciting current independent of load current ANSWER DOWNLOAD EXAMIANS APP
DC Generators The open circuit voltage of a compound generator is 250 V. At full load the terminal voltage None of these Will always be 250 V Will be less than 250 V May be greater or less than 250 V None of these Will always be 250 V Will be less than 250 V May be greater or less than 250 V ANSWER DOWNLOAD EXAMIANS APP
DC Generators A 4-pole dc machine has _____ magnetic circuits. 2 4 8 6 2 4 8 6 ANSWER DOWNLOAD EXAMIANS APP
DC Generators The armature winding of a dc machine is place on the rotor to ______ Reduce armature reaction Reduce losses Facilitate commutation Save iron Reduce armature reaction Reduce losses Facilitate commutation Save iron ANSWER DOWNLOAD EXAMIANS APP
DC Generators The commutator pitch for simplex lap winding is equal to None of the listed here Number of pairs of poles 1 Numbers of poles in the machine None of the listed here Number of pairs of poles 1 Numbers of poles in the machine ANSWER DOWNLOAD EXAMIANS APP
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