DC Generators The current in armature conductors of a dc machine is ______ Pure dc plus pulsating dc Pure dc Ac Pulsating dc Pure dc plus pulsating dc Pure dc Ac Pulsating dc ANSWER DOWNLOAD EXAMIANS APP
DC Generators The size of a dc generator can be reduced by using ______ Iron commutator Lap winding High resistance winding material Magnetic material of high permeability Iron commutator Lap winding High resistance winding material Magnetic material of high permeability ANSWER DOWNLOAD EXAMIANS APP
DC Generators The armature winding of a dc machine is place on the rotor to ______ Reduce losses Save iron Reduce armature reaction Facilitate commutation Reduce losses Save iron Reduce armature reaction Facilitate commutation ANSWER DOWNLOAD EXAMIANS APP
DC Generators The ideal commutation in a coil is not possible because each coil has Resistance Inductance None of the listed here Capacitance Resistance Inductance None of the listed here Capacitance ANSWER DOWNLOAD EXAMIANS APP
DC Generators If the flux per pole of dc generator is halved but its speed is doubled, its generated emf will Remain the same Be doubled Be halved Be quadrupled Remain the same Be doubled Be halved Be quadrupled ANSWER DOWNLOAD EXAMIANS APP
DC Generators The armature core of a D.C. generator is usually made of Cast-iron Copper Silicon steel Nonferrous material Cast-iron Copper Silicon steel Nonferrous material ANSWER DOWNLOAD EXAMIANS APP
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