DC Generators The armature core of a D.C. generator is usually made of Nonferrous material Silicon steel Cast-iron Copper Nonferrous material Silicon steel Cast-iron Copper ANSWER DOWNLOAD EXAMIANS APP
DC Generators Which of the following generating machine will offer constant voltage on all loads? Self-excited generator All of these Level compounded generator Separately excited generator Self-excited generator All of these Level compounded generator Separately excited generator ANSWER DOWNLOAD EXAMIANS APP
DC Generators Inter-pole flux should be sufficient to Neutralize both the armature reaction flux as well as commutating e.m.f. induced in the coil Neutralize the armature reaction flux None of these Neutralize the commutating self induced e.m.f. Neutralize both the armature reaction flux as well as commutating e.m.f. induced in the coil Neutralize the armature reaction flux None of these Neutralize the commutating self induced e.m.f. 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 11.3% 4.5% 2.8% 9.1% 11.3% 4.5% 2.8% 9.1% ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a D.C. generator the ripples in the direct e.m.f. generated are reduced by 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 Using conductor of annealed copper Using equalizer rings ANSWER DOWNLOAD EXAMIANS APP
DC Generators The yoke of a dc machine is made of Silicon steel Soft iron Cast steel Aluminum Silicon steel Soft iron Cast steel Aluminum ANSWER DOWNLOAD EXAMIANS APP
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