DC Generators The terminal voltage of a D.C. shunt generator drops on load because of all of the following reasons except Armature resistance drop Armature reaction Commutation Field weakening due to armature reaction and armature Armature resistance drop Armature reaction Commutation Field weakening due to armature reaction and armature ANSWER DOWNLOAD EXAMIANS APP
DC Generators Lap winding is composed of That even number which is exact multiple of poles + 2 Any even number of conductors Any odd number of conductors That even number which is exact multiple of poles That even number which is exact multiple of poles + 2 Any even number of conductors Any odd number of conductors That even number which is exact multiple of poles ANSWER DOWNLOAD EXAMIANS APP
DC Generators Permeance is the reciprocal of Ampere turns Reluctance Flux density Resistance Ampere turns Reluctance Flux density Resistance ANSWER DOWNLOAD EXAMIANS APP
DC Generators The purpose of providing dummy coils in a generator is To reduce eddy current losses To enhance flux density To amplify voltage To provide mechanical balance for the rotor To reduce eddy current losses To enhance flux density To amplify voltage To provide mechanical balance for the rotor ANSWER DOWNLOAD EXAMIANS APP
DC Generators In D.C. generators the polarity of the interpoles Is opposite to 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 the same as that of the main pole ahead Is opposite to 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 the same as that of the main pole ahead ANSWER DOWNLOAD EXAMIANS APP
DC Generators The brush voltage drop in dc machine is about _______ 0.1 V 20 V 2 V 10 V 0.1 V 20 V 2 V 10 V ANSWER DOWNLOAD EXAMIANS APP
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