DC Generators In a D.C. generator in order to reduce sparking at brushes, the self-induced e.m.f. in the coil is neutralized by all of the following except Shifting of axis of brushes Compensating winding Interpoles Dummy coils Shifting of axis of brushes Compensating winding Interpoles Dummy coils ANSWER DOWNLOAD EXAMIANS APP
DC Generators The physical size of 100 kW, 2000 rpm generator is _____ that of 10 kW, 200 rpm generator. More than About the same as Less than None of the listed here More than About the same as Less than None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Generators D.C. generator generally preferred for charging automobile batteries is Shunt generator Long shunt compound generator Any of the above Series generator Shunt generator Long shunt compound generator Any of the above Series generator ANSWER DOWNLOAD EXAMIANS APP
DC Generators The O. C. C. of a dc generator May be same or different None of the listed here Is different for different generators Is similar for all types of generators May be same or different None of the listed here Is different for different generators Is similar for all types of generators ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a D.C. generator Internal characteristic = magnetization characteristic ohmic drop External characteristic = magnetization characteristic ohmic drop armature reaction External resistance = internal characteristic armature reaction Magnetization characteristic = external characteristic Internal characteristic = magnetization characteristic ohmic drop External characteristic = magnetization characteristic ohmic drop armature reaction External resistance = internal characteristic armature reaction Magnetization characteristic = external characteristic ANSWER DOWNLOAD EXAMIANS APP
DC Generators The commutator pitch for simplex lap winding is equal to Number of pairs of poles None of the listed here 1 Numbers of poles in the machine Number of pairs of poles None of the listed here 1 Numbers of poles in the machine ANSWER DOWNLOAD EXAMIANS APP