DC Generators The essential condition for parallel operation of two D.C. generators is that they have The same operation r.p.m. Same kW rating Same percentage regulation The same drooping voltage characteristics The same operation r.p.m. Same kW rating Same percentage regulation The same drooping voltage characteristics ANSWER DOWNLOAD EXAMIANS APP
DC Generators The efficiency of a dc generator is maximum when its variable loss is Equal to half of constant loss Equal to Constant loss None of the listed here Equal to double the constant loss Equal to half of constant loss Equal to Constant loss None of the listed here Equal to double the constant loss ANSWER DOWNLOAD EXAMIANS APP
DC Generators The purpose of providing dummy coils in a generator is To provide mechanical balance for the rotor To amplify voltage To enhance flux density To reduce eddy current losses To provide mechanical balance for the rotor To amplify voltage To enhance flux density To reduce eddy current losses ANSWER DOWNLOAD EXAMIANS APP
DC Generators Shunt generators are most suited for stable parallel operation because of their linear voltage characteristics rising voltage characteristics identical voltage characteristics drooping voltage characteristics linear voltage characteristics rising voltage characteristics identical voltage characteristics drooping voltage characteristics ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a long shunt compound wound generator , the shunt field is connected in parallel with 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 Series combination of armature and series field ANSWER DOWNLOAD EXAMIANS APP
DC Generators Lap winding is composed of Any odd number of conductors Any even number of conductors That even number which is exact multiple of poles That even number which is exact multiple of poles + 2 Any odd number of conductors Any even number of conductors That even number which is exact multiple of poles That even number which is exact multiple of poles + 2 ANSWER DOWNLOAD EXAMIANS APP