DC Generators The critical resistance of the D.C. generator is the resistance of Field Brushes Armature Load Field Brushes Armature Load ANSWER DOWNLOAD EXAMIANS APP
DC Generators The armature reaction in a dc generator can be increased by increasing the Armature current Data is insufficient None of the listed here Field current Armature current Data is insufficient None of the listed here Field current ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a short 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 The main factor which leads to unstable parallel operation of flat and over compounded generators is unequal number of turns in their series field windings unequal series field resistances unequal speed regulation of their primemovers their rising voltage characteristics unequal number of turns in their series field windings unequal series field resistances unequal speed regulation of their primemovers their rising voltage characteristics ANSWER DOWNLOAD EXAMIANS APP
DC Generators An 8 pole, 250 V, wave wound generator has 400 conductors. If the generator is to be lap wound, the number of conductors required is ______ 800 100 3200 1600 800 100 3200 1600 ANSWER DOWNLOAD EXAMIANS APP
DC Generators The field winding of a dc shunt machine usually caries _______ of the rated current of the machine. 15 to 25% Less than 0.5 % More than 20% 2% to 5% 15 to 25% Less than 0.5 % More than 20% 2% to 5% ANSWER DOWNLOAD EXAMIANS APP