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
DC Generators A separately excited generator as compared to a self-excited generator Has all above features Is more stable Has exciting current independent of load current Is amenable to better voltage control Has all above features Is more stable Has exciting current independent of load current Is amenable to better voltage control ANSWER DOWNLOAD EXAMIANS APP
DC Generators In lap winding, the number of brushes is always Double the number of poles Two Half the number of poles Same as the number of poles Double the number of poles Two Half the number of poles Same as the number of poles ANSWER DOWNLOAD EXAMIANS APP
DC Generators The purpose of providing dummy coils in a generator is To amplify voltage To reduce eddy current losses To provide mechanical balance for the rotor To enhance flux density To amplify voltage To reduce eddy current losses To provide mechanical balance for the rotor To enhance flux density ANSWER DOWNLOAD EXAMIANS APP
DC Generators The efficiency of a dc generator is maximum when its variable loss is Equal to double the constant loss None of the listed here Equal to Constant loss Equal to half of constant loss Equal to double the constant loss None of the listed here Equal to Constant loss Equal to half of constant loss ANSWER DOWNLOAD EXAMIANS APP
DC Generators As a result of armature reaction, the reduction in the total mutual air gap flux in a D.C. generator is approximately 5 percent 10 percent 40 percent 25 percent 5 percent 10 percent 40 percent 25 percent ANSWER DOWNLOAD EXAMIANS APP
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