DC Generators The purpose of providing dummy coils in a generator is To reduce eddy current losses 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 ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a D.C. generator External resistance = internal characteristic armature reaction Internal characteristic = magnetization characteristic ohmic drop Magnetization characteristic = external characteristic External characteristic = magnetization characteristic ohmic drop armature reaction External resistance = internal characteristic armature reaction Internal characteristic = magnetization characteristic ohmic drop Magnetization characteristic = external characteristic External characteristic = magnetization characteristic ohmic drop armature reaction ANSWER DOWNLOAD EXAMIANS APP
DC Generators The armature core of a D.C. generator is usually made of Cast-iron Nonferrous material Silicon steel Copper Cast-iron Nonferrous material Silicon steel Copper ANSWER DOWNLOAD EXAMIANS APP
DC Generators A shunt generator gives its greatest voltage at Full load No load Half full load None of the listed here Full load No load Half full load None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a long shunt compound wound generator , the shunt field is connected in parallel with Series combination of armature and series field Parallel combination of armature and series field Series field Armature Series combination of armature and series field Parallel combination of armature and series field Series field Armature ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a wave winding, the commutator pitch is approximately equal to None of the listed here Twice the pole pitch Pole pitch Thrice the pole pitch None of the listed here Twice the pole pitch Pole pitch Thrice the pole pitch ANSWER DOWNLOAD EXAMIANS APP