DC Generators If the value of shunt field resistance of a shunt generator is greater than the critical resistance, the generator will Fail to excite Excite to full voltage Excite to one half of full voltage None of the listed here Fail to excite Excite to full voltage Excite to one half of full voltage None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Generators The field winding of a dc shunt machine usually caries _______ of the rated current of the machine. Less than 0.5 % More than 20% 2% to 5% 15 to 25% Less than 0.5 % More than 20% 2% to 5% 15 to 25% ANSWER DOWNLOAD EXAMIANS APP
DC Generators The armature of a dc machine is made of ______ Silocon steel Wrought iron Cast steel Soft iron Silocon steel Wrought iron Cast steel Soft iron ANSWER DOWNLOAD EXAMIANS APP
DC Generators The efficiency of a dc generator means its Overall efficiency None of the listed here Mechanical efficiency Electrical efficiency Overall efficiency None of the listed here Mechanical efficiency Electrical efficiency ANSWER DOWNLOAD EXAMIANS APP
DC Generators The insulating material used between the commutator segments is normally Graphite Mica Paper Insulating varnish Graphite Mica Paper Insulating varnish 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 resistance drop Commutation Armature reaction Field weakening due to armature reaction and armature Armature resistance drop Commutation Armature reaction Field weakening due to armature reaction and armature ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS