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 Field weakening due to armature reaction and armature Armature reaction Commutation Armature resistance drop Field weakening due to armature reaction and armature Armature reaction Commutation ANSWER DOWNLOAD EXAMIANS APP
DC Generators The terminal voltage of a _______ generator vary widely with changes in load current. Shunt Series None of the listed here Flat compounded Shunt Series None of the listed here Flat compounded ANSWER DOWNLOAD EXAMIANS APP
DC Generators The efficiency of a dc generator is maximum when its variable loss is None of the listed here Equal to half of constant loss Equal to double the constant loss Equal to Constant loss None of the listed here Equal to half of constant loss Equal to double the constant loss Equal to Constant loss ANSWER DOWNLOAD EXAMIANS APP
DC Generators The essential condition for parallel operation of two D.C. generators is that they have Same percentage regulation Same kW rating The same drooping voltage characteristics The same operation r.p.m. Same percentage regulation Same kW rating The same drooping voltage characteristics The same operation r.p.m. ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a wave winding, the commutator pitch is approximately equal to None of the listed here Pole pitch Twice the pole pitch Thrice the pole pitch None of the listed here Pole pitch Twice the pole pitch Thrice the pole pitch ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a cummulative compounded generator the shunt and series fields ______ each other. Oppose Sometime aid, sometime oppose Aid None of the listed here Oppose Sometime aid, sometime oppose Aid None of the listed here ANSWER DOWNLOAD EXAMIANS APP
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