DC Generators The size of a dc generator can be reduced by using ______ Iron commutator Magnetic material of high permeability High resistance winding material Lap winding Iron commutator Magnetic material of high permeability High resistance winding material Lap winding ANSWER DOWNLOAD EXAMIANS APP
DC Generators The brush voltage drop in dc machine is about _______ 20 V 10 V 2 V 0.1 V 20 V 10 V 2 V 0.1 V ANSWER DOWNLOAD EXAMIANS APP
DC Generators For the same rating, a dc machine has_______ an ac machines. Less weight than The same weight as More weight than None of the listed here Less weight than The same weight as More weight than None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Generators The field structure of a dc machine uses ______ None salient pole arrangements Salient pole arrangements Both salient and non salient pole arrangements None of the listed here None salient pole arrangements Salient pole arrangements Both salient and non salient pole arrangements None of the listed here 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 580 V 640 V 620 V 600 V 580 V 640 V 620 V 600 V ANSWER DOWNLOAD EXAMIANS APP
DC Generators The no load voltage of a generator is 240 V and rated load voltage is 220 V. The voltage regulation of the generator is 2.8% 4.5% 11.3% 9.1% 2.8% 4.5% 11.3% 9.1% ANSWER DOWNLOAD EXAMIANS APP
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