Electrical Machines The ___________________ generator has the poorest voltage regulation. shunt. differential compounded. over compounded. under-compounded. shunt. differential compounded. over compounded. under-compounded. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following windings are necessary in case of all dc machines? open type winding lap winding closed winding wave winding open type winding lap winding closed winding wave winding ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A separately-excited dc motor has an armature resistance of 0.5 Ω. It runs off a 250 V dc supply Drawing an armature current of 20 A at 1500 rpm. The torque developed for an armature current Of 10 A, for the same field current, will be 15.28 Nm 15.92 Nm 16.55 Nm 15.6 Nm 15.28 Nm 15.92 Nm 16.55 Nm 15.6 Nm ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following bearings and their uses are correct both A and B roller bearings → large machines neither 1 nor 2 ball bearings → small machines both A and B roller bearings → large machines neither 1 nor 2 ball bearings → small machines ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For same HP rating and full load speed which of following motor has poor starting torque? Shunt. Cummulative compound. Differently compounded. Series. Shunt. Cummulative compound. Differently compounded. Series. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In dc motors, under leading pole tips flux density will--------? either increase or decrease None of these decrease increase either increase or decrease None of these decrease increase ANSWER DOWNLOAD EXAMIANS APP