DC Generators The armature of a dc machine having 10 poles is rotating at a speed of 10 revolution per second. The number of hysteresis loops formed per second is ______ 10 150 50 100 10 150 50 100 ANSWER DOWNLOAD EXAMIANS APP
DC Generators The O. C. C. of a dc generator None of the listed here Is similar for all types of generators Is different for different generators May be same or different None of the listed here Is similar for all types of generators Is different for different generators May be same or different ANSWER DOWNLOAD EXAMIANS APP
DC Generators With a D.C. generator which of the following regulation is preferred? Infinite regulation 50% regulation 100% regulation 1% regulation Infinite regulation 50% regulation 100% regulation 1% regulation ANSWER DOWNLOAD EXAMIANS APP
DC Generators The coupling field between electrical and mechanical systems of a dc machine is ______ None of the listed here Electric field Both electrical and magnetic fields Magnetic field None of the listed here Electric field Both electrical and magnetic fields Magnetic field ANSWER DOWNLOAD EXAMIANS APP
DC Generators The real working part of a dc machine is the ______ Armature winding Commutator Field winding None of the listed here Armature winding Commutator Field winding None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Generators The size of a dc generator can be reduced by using ______ Magnetic material of high permeability High resistance winding material Iron commutator Lap winding Magnetic material of high permeability High resistance winding material Iron commutator Lap winding ANSWER DOWNLOAD EXAMIANS APP
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