DC Generators For a D.C. machines laboratory following type of D.C. supply will be suitable Synchronous motor D.C. generator set Mercury are rectifier Induction motor D.C. generator set Rotary converter Synchronous motor D.C. generator set Mercury are rectifier Induction motor D.C. generator set Rotary converter ANSWER DOWNLOAD EXAMIANS APP
DC Generators Dc machines which are subjected to abrupt changes of load are provided with Equalisers Interpole windings Compensating windings Copper brushes Equalisers Interpole windings Compensating windings Copper brushes ANSWER DOWNLOAD EXAMIANS APP
DC Generators The resistance of armature winding depends on Cross sectional area of the conductor All of the listed here Length of conductor Number of conductors Cross sectional area of the conductor All of the listed here Length of conductor Number of conductors ANSWER DOWNLOAD EXAMIANS APP
DC Generators When two D.C. generators are running in parallel an equalizer bar is used To increase the generated e.m.f. To reduce the combined effect of armature reaction of both the machines So that the two identical machines will pass approximately equal currents to the load To increase the series flux To increase the generated e.m.f. To reduce the combined effect of armature reaction of both the machines So that the two identical machines will pass approximately equal currents to the load To increase the series flux 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 % 15 to 25% 2% to 5% More than 20% Less than 0.5 % 15 to 25% 2% to 5% More than 20% ANSWER DOWNLOAD EXAMIANS APP
DC Generators ______ dc machine are most common. 4 pole 2 pole 8 pole 6 pole 4 pole 2 pole 8 pole 6 pole ANSWER DOWNLOAD EXAMIANS APP