DC Generators The terminal voltage of a D.C. shunt generator drops on load because of all of the following reasons except Armature reaction Commutation Armature resistance drop Field weakening due to armature reaction and armature Armature reaction Commutation Armature resistance drop Field weakening due to armature reaction and armature ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a short shunt compound wound generator, the shunt field is connected in parallel with Series field Parallel combination of armature and series field Series combination of armature and series field Armature Series field Parallel combination of armature and series field Series combination of armature and series field Armature ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a practical dc generator, mechanical efficiency is More than electrical efficiency Less than electrical efficiency None of the listed here Equal to electrical efficiency More than electrical efficiency Less than electrical efficiency None of the listed here Equal to electrical efficiency ANSWER DOWNLOAD EXAMIANS APP
DC Generators The commutator pitch for simplex lap winding is equal to Numbers of poles in the machine Number of pairs of poles None of the listed here 1 Numbers of poles in the machine Number of pairs of poles None of the listed here 1 ANSWER DOWNLOAD EXAMIANS APP
DC Generators A separately excited generator as compared to a self-excited generator Is more stable Has exciting current independent of load current Is amenable to better voltage control Has all above features Is more stable Has exciting current independent of load current Is amenable to better voltage control Has all above features ANSWER DOWNLOAD EXAMIANS APP
DC Generators In case of dc machines, mechanical losses are primary function of None of the listed here Voltage Current Speed None of the listed here Voltage Current Speed ANSWER DOWNLOAD EXAMIANS APP
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