DC Generators Brushes of D.C. machines are made of Soft copper All of above Carbon Hard copper Soft copper All of above Carbon Hard copper ANSWER DOWNLOAD EXAMIANS APP
DC Generators In case of dc machines, mechanical losses are primary function of Current Speed None of the listed here Voltage Current Speed None of the listed here Voltage ANSWER DOWNLOAD EXAMIANS APP
DC Generators The armature copper loss in a dc generator is a Variable loss Constant loss Stray loss None of the listed here Variable loss Constant loss Stray loss None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Generators The coupling field between electrical and mechanical systems of a dc machine is ______ Both electrical and magnetic fields Electric field Magnetic field None of the listed here Both electrical and magnetic fields Electric field Magnetic field None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a practical dc generator, mechanical efficiency is None of the listed here Equal to electrical efficiency More than electrical efficiency Less than electrical efficiency None of the listed here Equal to electrical efficiency More than electrical efficiency Less than electrical efficiency ANSWER DOWNLOAD EXAMIANS APP
DC Generators For a D.C. machines laboratory following type of D.C. supply will be suitable Rotary converter Induction motor D.C. generator set Mercury are rectifier Synchronous motor D.C. generator set Rotary converter Induction motor D.C. generator set Mercury are rectifier Synchronous motor D.C. generator set ANSWER DOWNLOAD EXAMIANS APP