DC Generators The bearings used to support the rotor shafts are generally Magnetic bearings Bush bearings Needle bearings Ball bearings Magnetic bearings Bush bearings Needle bearings Ball bearings ANSWER DOWNLOAD EXAMIANS APP
DC Generators In case of dc machines, mechanical losses are primary function of Current Voltage None of the listed here Speed Current Voltage None of the listed here Speed ANSWER DOWNLOAD EXAMIANS APP
DC Generators For the same rating, a dc machine has_______ an ac machines. More weight than Less weight than None of the listed here The same weight as More weight than Less weight than None of the listed here The same weight as ANSWER DOWNLOAD EXAMIANS APP
DC Generators The size of a dc generator can be reduced by using ______ Lap winding Magnetic material of high permeability Iron commutator High resistance winding material Lap winding Magnetic material of high permeability Iron commutator High resistance winding material ANSWER DOWNLOAD EXAMIANS APP
DC Generators The coupling field between electrical and mechanical systems of a dc machine is ______ None of the listed here Both electrical and magnetic fields Magnetic field Electric field None of the listed here Both electrical and magnetic fields Magnetic field Electric field ANSWER DOWNLOAD EXAMIANS APP
DC Generators In D.C. generators on no-load, the air gap flux distribution in space is Triangular Pulsating Sinusoidal Flat topped Triangular Pulsating Sinusoidal Flat topped ANSWER DOWNLOAD EXAMIANS APP