DC Generators The yoke of a dc machine is made of Aluminum Soft iron Silicon steel Cast steel Aluminum Soft iron Silicon steel Cast steel ANSWER DOWNLOAD EXAMIANS APP
DC Generators A shunt generator gives its greatest voltage at Half full load None of the listed here Full load No load Half full load None of the listed here Full load No load ANSWER DOWNLOAD EXAMIANS APP
DC Generators The greatest eddy current loss occurs in the _____ of a dc machine. Armature Field poles Commutating poles Yoke Armature Field poles Commutating poles Yoke 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 4.5% 2.8% 9.1% 11.3% 4.5% 2.8% 9.1% 11.3% ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a D.C. generator the ripples in the direct e.m.f. generated are reduced by Using equalizer rings Using conductor of annealed copper Using carbon brushes of superior quality Using commutator with large number of segments Using equalizer rings Using conductor of annealed copper Using carbon brushes of superior quality Using commutator with large number of segments ANSWER DOWNLOAD EXAMIANS APP
DC Generators If a self excited D.C. generator after being installed, fails to build up on its first trial run, the first thing to do is to check armature insulation resistance increase the field resistance increase the speed of primemover reverse the field connections check armature insulation resistance increase the field resistance increase the speed of primemover reverse the field connections ANSWER DOWNLOAD EXAMIANS APP
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