DC Generators The coupling field between electrical and mechanical systems of a dc machine is ______ Both electrical and magnetic fields Magnetic field Electric field None of the listed here Both electrical and magnetic fields Magnetic field Electric field None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Generators Number of tapings for each equalizer ring is equal to Number of parallel paths Number of pole pairs Number of poles Number of commutator segments Number of parallel paths Number of pole pairs Number of poles Number of commutator segments ANSWER DOWNLOAD EXAMIANS APP
DC Generators An 8 pole duplex lap winding will have ______ parallel paths. 32 4 16 8 32 4 16 8 ANSWER DOWNLOAD EXAMIANS APP
DC Generators The voltage drop for which of the following types of brush can be expected to be least? None of these Metal graphite brushes Graphite brushes Carbon brushes None of these Metal graphite brushes Graphite brushes Carbon brushes ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a D.C. generator External characteristic = magnetization characteristic ohmic drop armature reaction Magnetization characteristic = external characteristic External resistance = internal characteristic armature reaction Internal characteristic = magnetization characteristic ohmic drop External characteristic = magnetization characteristic ohmic drop armature reaction Magnetization characteristic = external characteristic External resistance = internal characteristic armature reaction Internal characteristic = magnetization characteristic ohmic drop ANSWER DOWNLOAD EXAMIANS APP
DC Generators In case of D.C. machine winding, number of commutator segments is equal to Number of armature conductors Number of armature turns Number of armature coils Number of armature coil sides Number of armature conductors Number of armature turns Number of armature coils Number of armature coil sides ANSWER DOWNLOAD EXAMIANS APP