DC Generators The armature winding of a dc machine is ______ winding. Partly open circuit and partly closed circuit An open circuit A closed circuit None of the listed here Partly open circuit and partly closed circuit An open circuit A closed circuit None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Generators The terminal voltage of a _______ generator vary widely with changes in load current. Series Shunt Flat compounded None of the listed here Series Shunt Flat compounded None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Generators The yoke of a dc machine carries ______ pole flux. Two times the Three times One-half of None of the listed here Two times the Three times One-half of None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a D.C. generator in order to reduce sparking at brushes, the self-induced e.m.f. in the coil is neutralized by all of the following except Interpoles Shifting of axis of brushes Dummy coils Compensating winding Interpoles Shifting of axis of brushes Dummy coils Compensating winding ANSWER DOWNLOAD EXAMIANS APP
DC Generators The main factor which leads to unstable parallel operation of flat and over compounded generators is unequal speed regulation of their primemovers unequal number of turns in their series field windings unequal series field resistances their rising voltage characteristics unequal speed regulation of their primemovers unequal number of turns in their series field windings unequal series field resistances their rising voltage characteristics ANSWER DOWNLOAD EXAMIANS APP
DC Generators The armature reaction in a dc generator can be increased by increasing the Data is insufficient Armature current None of the listed here Field current Data is insufficient Armature current None of the listed here Field current ANSWER DOWNLOAD EXAMIANS APP