DC Generators If residual magnetism is present in a D.C. generator, the induced e.m.f. at zero speed will be Small High Zero The same as rated voltage Small High Zero The same as rated voltage ANSWER DOWNLOAD EXAMIANS APP
DC Generators The coupling field between electrical and mechanical systems of a dc machine is ______ Electric field None of the listed here Magnetic field Both electrical and magnetic fields Electric field None of the listed here Magnetic field Both electrical and magnetic fields ANSWER DOWNLOAD EXAMIANS APP
DC Generators The copper loss is constant for None of the listed here Series generator only Shunt generator only Both shunt and compound generator None of the listed here Series generator only Shunt generator only Both shunt and compound generator ANSWER DOWNLOAD EXAMIANS APP
DC Generators The armature winding of a dc machine is ______ winding. None of the listed here A closed circuit An open circuit Partly open circuit and partly closed circuit None of the listed here A closed circuit An open circuit Partly open circuit and partly closed circuit ANSWER DOWNLOAD EXAMIANS APP
DC Generators In case of D.C. machine winding, number of commutator segments is equal to Number of armature coils Number of armature turns Number of armature conductors Number of armature coil sides Number of armature coils Number of armature turns Number of armature conductors Number of armature coil sides ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a simplex wave winding, the number of parallel paths is equal to _____ Number of pairs of poles Numbers of poles in the machine 2 None of the listed here Number of pairs of poles Numbers of poles in the machine 2 None of the listed here ANSWER DOWNLOAD EXAMIANS APP