DC Generators The coupling field between electrical and mechanical systems of a dc machine is ______ None of the listed here Magnetic field Both electrical and magnetic fields Electric field None of the listed here Magnetic field Both electrical and magnetic fields Electric field ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a D.C. generator the critical resistance refers to the resistance of Load Armature Brushes Field Load Armature Brushes Field ANSWER DOWNLOAD EXAMIANS APP
DC Generators The open circuit voltage of a compound generator is 250 V. At full load the terminal voltage Will always be 250 V Will be less than 250 V None of these May be greater or less than 250 V Will always be 250 V Will be less than 250 V None of these May be greater or less than 250 V ANSWER DOWNLOAD EXAMIANS APP
DC Generators Inter-pole flux should be sufficient to Neutralize the armature reaction flux Neutralize the commutating self induced e.m.f. None of these Neutralize both the armature reaction flux as well as commutating e.m.f. induced in the coil Neutralize the armature reaction flux Neutralize the commutating self induced e.m.f. None of these Neutralize both the armature reaction flux as well as commutating e.m.f. induced in the coil ANSWER DOWNLOAD EXAMIANS APP
DC Generators High voltage dc machine use _____ winding. Either lap or wave Lap None of the listed here Wave Either lap or wave Lap None of the listed here Wave ANSWER DOWNLOAD EXAMIANS APP
DC Generators The essential condition for parallel operation of two D.C. generators is that they have The same drooping voltage characteristics Same percentage regulation The same operation r.p.m. Same kW rating The same drooping voltage characteristics Same percentage regulation The same operation r.p.m. Same kW rating ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS