DC Generators The armature of a dc machine is made of ______ Silocon steel Cast steel Wrought iron Soft iron Silocon steel Cast steel Wrought iron Soft iron ANSWER DOWNLOAD EXAMIANS APP
DC Generators The armature of a dc machine having 10 poles is rotating at a speed of 10 revolution per second. The number of hysteresis loops formed per second is ______ 100 10 50 150 100 10 50 150 ANSWER DOWNLOAD EXAMIANS APP
DC Generators An exciter for a turbo generator is a Shunt generator Series generator Compound generator Separately excited generator Shunt generator Series generator Compound generator Separately excited generator ANSWER DOWNLOAD EXAMIANS APP
DC Generators Dc machines which are subjected to abrupt changes of load are provided with Interpole windings Copper brushes Compensating windings Equalisers Interpole windings Copper brushes Compensating windings Equalisers 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
DC Generators The terminal voltage of a series generator is 150 V when the load current is 5 A. If the load current is increased to 10 A, the terminal voltage will be None of these Greater than 150 V Less than 150 V 150 V None of these Greater than 150 V Less than 150 V 150 V ANSWER DOWNLOAD EXAMIANS APP