DC Generators A separately excited generator as compared to a self-excited generator Is more stable Has all above features Has exciting current independent of load current Is amenable to better voltage control Is more stable Has all above features Has exciting current independent of load current Is amenable to better voltage control ANSWER DOWNLOAD EXAMIANS APP
DC Generators In D.C. generators on no-load, the air gap flux distribution in space is Triangular Sinusoidal Flat topped Pulsating Triangular Sinusoidal Flat topped Pulsating ANSWER DOWNLOAD EXAMIANS APP
DC Generators Carbon brushes are used in a dc machine because _______ Carbon lubricates and polishes the commutator Contact resistance is decreased None of the listed here Carbon is cheap Carbon lubricates and polishes the commutator Contact resistance is decreased None of the listed here Carbon is cheap ANSWER DOWNLOAD EXAMIANS APP
DC Generators While applying Fleming's right-hand rule to and the direction of induced e.m.f., the thumb points towards Direction of motion of conductor, if forefinger points along the lines of flux Direction of motion of the conductor if forefinger points in the direction of generated e.m.f. Direction of induced e.m.f. Direction of flux Direction of motion of conductor, if forefinger points along the lines of flux Direction of motion of the conductor if forefinger points in the direction of generated e.m.f. Direction of induced e.m.f. Direction of flux ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a long shunt compound wound generator , the shunt field is connected in parallel with Series field Series combination of armature and series field Parallel combination of armature and series field Armature Series field Series combination of armature and series field Parallel combination of armature and series field Armature ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a commutator Mica is harder than copper Mica and copper are equally hard None of the listed here Copper is harder than mica Mica is harder than copper Mica and copper are equally hard None of the listed here Copper is harder than mica ANSWER DOWNLOAD EXAMIANS APP
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