DC Generators Which of the following will not prevent a self excited shunt generator from building upto its full voltage? Open field Wrong direction of rotation No residual magnetism Speed too high Open field Wrong direction of rotation No residual magnetism Speed too high ANSWER DOWNLOAD EXAMIANS APP
DC Generators The real working part of a dc machine is the ______ Field winding Armature winding None of the listed here Commutator Field winding Armature winding None of the listed here Commutator ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a D.C. generator the ripples in the direct e.m.f. generated are reduced by Using conductor of annealed copper Using equalizer rings Using carbon brushes of superior quality Using commutator with large number of segments Using conductor of annealed copper Using equalizer rings Using carbon brushes of superior quality Using commutator with large number of segments ANSWER DOWNLOAD EXAMIANS APP
DC Generators The terminal voltage of a series generator is 150 V when the load current is 5 A. If the load current is increased to 10 A, the terminal voltage will be Less than 150 V None of these 150 V Greater than 150 V Less than 150 V None of these 150 V Greater than 150 V ANSWER DOWNLOAD EXAMIANS APP
DC Generators Wave wound generators provide Less current but more voltage None of the listed here More current but less voltage More current and more voltage Less current but more voltage None of the listed here More current but less voltage More current and more voltage ANSWER DOWNLOAD EXAMIANS APP
DC Generators The bearings used to support the rotor shafts are generally Needle bearings Ball bearings Bush bearings Magnetic bearings Needle bearings Ball bearings Bush bearings Magnetic bearings ANSWER DOWNLOAD EXAMIANS APP
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