DC Generators With a D.C. generator which of the following regulation is preferred? 1% regulation Infinite regulation 100% regulation 50% regulation 1% regulation Infinite regulation 100% regulation 50% regulation ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a D.C. generator 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 Internal characteristic = magnetization characteristic ohmic drop External characteristic = magnetization characteristic ohmic drop armature reaction External resistance = internal characteristic armature reaction ANSWER DOWNLOAD EXAMIANS APP
DC Generators The bearings used to support the rotor shafts are generally Needle bearings Magnetic bearings Bush bearings Ball bearings Needle bearings Magnetic bearings Bush bearings Ball bearings ANSWER DOWNLOAD EXAMIANS APP
DC Generators The purpose of providing dummy coils in a generator is To enhance flux density To provide mechanical balance for the rotor To amplify voltage To reduce eddy current losses To enhance flux density To provide mechanical balance for the rotor To amplify voltage To reduce eddy current losses ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a lap winding, the number of the brushes required is equal to None of the listed here Commutator pitch Number of pairs of poles Number of poles None of the listed here Commutator pitch Number of pairs of poles Number of poles ANSWER DOWNLOAD EXAMIANS APP
DC Generators A sinusoidal voltage of 5 Hz is applied to the field of a shunt generator. The armature voltage wave will be of 5 xiVHz will be of v Hz 5 will be zero will be of 5 Hz will be of 5 xiVHz will be of v Hz 5 will be zero will be of 5 Hz ANSWER DOWNLOAD EXAMIANS APP