DC Generators The critical resistance of the D.C. generator is the resistance of Brushes Armature Load Field Brushes Armature Load Field ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a D.C. generator in order to reduce sparking at brushes, the self-induced e.m.f. in the coil is neutralized by all of the following except Interpoles Dummy coils Shifting of axis of brushes Compensating winding Interpoles Dummy coils Shifting of axis of brushes Compensating winding ANSWER DOWNLOAD EXAMIANS APP
DC Generators The size of a dc generator can be reduced by using ______ High resistance winding material Magnetic material of high permeability Iron commutator Lap winding High resistance winding material Magnetic material of high permeability Iron commutator Lap winding ANSWER DOWNLOAD EXAMIANS APP
DC Generators The armature reaction in a dc generator can be increased by increasing the Armature current Data is insufficient Field current None of the listed here Armature current Data is insufficient Field current None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Generators Stray losses consist of None of the listed here Mechanical and copper losses Magnetic and copper losses Magnetic and mechanical losses None of the listed here Mechanical and copper losses Magnetic and copper losses Magnetic and mechanical losses ANSWER DOWNLOAD EXAMIANS APP
DC Generators The armature winding of a dc machine is place on the rotor to ______ Reduce armature reaction Facilitate commutation Save iron Reduce losses Reduce armature reaction Facilitate commutation Save iron Reduce losses ANSWER DOWNLOAD EXAMIANS APP
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