DC Generators With a D.C. generator which of the following regulation is preferred? Infinite regulation 1% regulation 100% regulation 50% regulation Infinite regulation 1% regulation 100% regulation 50% regulation ANSWER DOWNLOAD EXAMIANS APP
DC Generators The commutator pitch for simplex lap winding is equal to None of the listed here 1 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 ANSWER DOWNLOAD EXAMIANS APP
DC Generators The armature winding of a dc machine is place on the rotor to ______ Reduce armature reaction Facilitate commutation Reduce losses Save iron Reduce armature reaction Facilitate commutation Reduce losses Save iron ANSWER DOWNLOAD EXAMIANS APP
DC Generators The coupling field between electrical and mechanical systems of a dc machine is ______ Both electrical and magnetic fields Magnetic field None of the listed here Electric field Both electrical and magnetic fields Magnetic field None of the listed here Electric field ANSWER DOWNLOAD EXAMIANS APP
DC Generators The size of a dc generator can be reduced by using ______ High resistance winding material Iron commutator Lap winding Magnetic material of high permeability High resistance winding material Iron commutator Lap winding Magnetic material of high permeability ANSWER DOWNLOAD EXAMIANS APP
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 ______ 10 150 100 50 10 150 100 50 ANSWER DOWNLOAD EXAMIANS APP
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