DC Generators A 4-pole dc machine has _____ magnetic circuits. 8 6 2 4 8 6 2 4 ANSWER DOWNLOAD EXAMIANS APP
DC Generators In D.C. generators the polarity of the interpoles Is the same as that of the main pole ahead Is the same as that of the immediately preceding pole Is neutral as these poles do not play part in generating e.m.f. Is opposite to that of the main pole ahead Is the same as that of the main pole ahead Is the same as that of the immediately preceding pole Is neutral as these poles do not play part in generating e.m.f. Is opposite to that of the main pole ahead 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 In a long shunt compound wound generator , the shunt field is connected in parallel with Series combination of armature and series field Parallel combination of armature and series field Armature Series field Series combination of armature and series field Parallel combination of armature and series field Armature Series field ANSWER DOWNLOAD EXAMIANS APP
DC Generators The physical size of 100 kW, 2000 rpm generator is _____ that of 10 kW, 200 rpm generator. Less than About the same as More than None of the listed here Less than About the same as More than None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Generators The ideal commutation in a coil is not possible because each coil has Inductance Capacitance Resistance None of the listed here Inductance Capacitance Resistance None of the listed here ANSWER DOWNLOAD EXAMIANS APP