DC Generators If the value of shunt field resistance of a shunt generator is greater than the critical resistance, the generator will None of the listed here Excite to one half of full voltage Excite to full voltage Fail to excite None of the listed here Excite to one half of full voltage Excite to full voltage Fail to excite ANSWER DOWNLOAD EXAMIANS APP
DC Generators Due to armature reaction, the main pole flux of a dc generator is None of the listed here Weakened as well as distorted Distorted only Weakend only None of the listed here Weakened as well as distorted Distorted only Weakend only ANSWER DOWNLOAD EXAMIANS APP
DC Generators Which of the following will not prevent a self excited shunt generator from building upto its full voltage? Wrong direction of rotation No residual magnetism Open field Speed too high Wrong direction of rotation No residual magnetism Open field Speed too high ANSWER DOWNLOAD EXAMIANS APP
DC Generators The armature winding of a dc machine is ______ winding. An open circuit None of the listed here A closed circuit Partly open circuit and partly closed circuit An open circuit None of the listed here A closed circuit Partly open circuit and partly closed circuit ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a practical dc generator, mechanical efficiency is Equal to electrical efficiency Less than electrical efficiency None of the listed here More than electrical efficiency Equal to electrical efficiency Less than electrical efficiency None of the listed here More than electrical efficiency ANSWER DOWNLOAD EXAMIANS APP
DC Generators The terminal voltage of a D.C. shunt generator drops on load because of all of the following reasons except Armature reaction Armature resistance drop Field weakening due to armature reaction and armature Commutation Armature reaction Armature resistance drop Field weakening due to armature reaction and armature Commutation ANSWER DOWNLOAD EXAMIANS APP
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