DC Generators The main factor which leads to unstable parallel operation of flat and over compounded generators is unequal speed regulation of their primemovers unequal number of turns in their series field windings their rising voltage characteristics unequal series field resistances unequal speed regulation of their primemovers unequal number of turns in their series field windings their rising voltage characteristics unequal series field resistances ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a D.C. generator the ripples in the direct e.m.f. generated are reduced by Using commutator with large number of segments Using carbon brushes of superior quality Using conductor of annealed copper Using equalizer rings Using commutator with large number of segments Using carbon brushes of superior quality Using conductor of annealed copper Using equalizer rings ANSWER DOWNLOAD EXAMIANS APP
DC Generators The armature of a dc machine is made of ______ Soft iron Silocon steel Cast steel Wrought iron Soft iron Silocon steel Cast steel Wrought iron ANSWER DOWNLOAD EXAMIANS APP
DC Generators The armature winding of a dc machine is ______ winding. None of the listed here An open circuit Partly open circuit and partly closed circuit A closed circuit None of the listed here An open circuit Partly open circuit and partly closed circuit A closed circuit ANSWER DOWNLOAD EXAMIANS APP
DC Generators Due to armature reaction, the main pole flux of a dc generator is Distorted only None of the listed here Weakend only Weakened as well as distorted Distorted only None of the listed here Weakend only Weakened as well as distorted ANSWER DOWNLOAD EXAMIANS APP
DC Generators The e.m.f. induced in the armature of a shunt generator is 600 V. The armature resistance is 0.1 ohm. If the armature current is 200 A, the terminal voltage will be 620 V 580 V 600 V 640 V 620 V 580 V 600 V 640 V ANSWER DOWNLOAD EXAMIANS APP
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