DC Generators Permeance is the reciprocal of Ampere turns Resistance Flux density Reluctance Ampere turns Resistance Flux density Reluctance ANSWER DOWNLOAD EXAMIANS APP
DC Generators In case of dc machines, mechanical losses are primary function of Current Speed Voltage None of the listed here Current Speed Voltage None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Generators The overall efficiency of a dc generator is maximum when its variable loss is equal to Iron loss Constant loss Mechanical loss Stray loss Iron loss Constant loss Mechanical loss Stray loss ANSWER DOWNLOAD EXAMIANS APP
DC Generators The armature winding of a dc machine is place on the rotor to ______ Facilitate commutation Reduce armature reaction Save iron Reduce losses Facilitate commutation Reduce armature reaction Save iron Reduce losses ANSWER DOWNLOAD EXAMIANS APP
DC Generators The voltage drop for which of the following types of brush can be expected to be least? Graphite brushes Carbon brushes None of these Metal graphite brushes Graphite brushes Carbon brushes None of these Metal graphite brushes 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 Be halved Be quadrupled Be doubled Remain the same Be halved Be quadrupled Be doubled Remain the same ANSWER DOWNLOAD EXAMIANS APP
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