DC Motors A compensating winding is an auxiliary winding embedded in slots in Partly in pole faces, partly in armature The pole faces of main poles The armature None of the listed here Partly in pole faces, partly in armature The pole faces of main poles The armature None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Motors The speed of a motor falls from 1100 r.p.m. at no-load to 1050 r.p.m. at rated load. The speed regulation of the motor is 8.85% 6.77% 4.76% 2.22% 8.85% 6.77% 4.76% 2.22% ANSWER DOWNLOAD EXAMIANS APP
DC Motors In a dc motor constant torque is produced due to Rotor laminations Pole shoes End plates Commutator Rotor laminations Pole shoes End plates Commutator ANSWER DOWNLOAD EXAMIANS APP
DC Motors If the supply voltage for a D.C. motor is increased, which of the following will decrease? Full-load current All of these Starting torque Operating speed Full-load current All of these Starting torque Operating speed ANSWER DOWNLOAD EXAMIANS APP
DC Motors When the armature of a D.C. motor rotates, e.m.f. induced is Back e.m.f. Mutually induced e.m.f. None of these Self-induced e.m.f. Back e.m.f. Mutually induced e.m.f. None of these Self-induced e.m.f. ANSWER DOWNLOAD EXAMIANS APP
DC Motors Compensating winding in a dc machine is placed On armature On yoke in the interpolar gap None of the listed here On yoke in the pole faces On armature On yoke in the interpolar gap None of the listed here On yoke in the pole faces ANSWER DOWNLOAD EXAMIANS APP
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