DC Motors The friction and windage losses in a dc motor depends upon Flux Armature current Speed Field and armature resistance Flux Armature current Speed Field and armature resistance ANSWER DOWNLOAD EXAMIANS APP
DC Motors If conditions for maximum power for a dc motor are established, the efficiency of the motor will be Less than 50% 100 % 60 to 70 % 80 to 90 % Less than 50% 100 % 60 to 70 % 80 to 90 % ANSWER DOWNLOAD EXAMIANS APP
DC Motors Compensating winding in a dc machine is placed On yoke in the interpolar gap None of the listed here On armature On yoke in the pole faces On yoke in the interpolar gap None of the listed here On armature On yoke in the pole faces ANSWER DOWNLOAD EXAMIANS APP
DC Motors These days dc motors are widely used in Electric traction Machine shops Air compressors Pumping sets Electric traction Machine shops Air compressors Pumping sets ANSWER DOWNLOAD EXAMIANS APP
DC Motors A three point starter is considered suitable for Shunt as well as compound motors All D.C. motors Shunt, compound and series motors Shunt motors Shunt as well as compound motors All D.C. motors Shunt, compound and series motors Shunt motors 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 4.76% 8.85% 6.77% 2.22% 4.76% 8.85% 6.77% 2.22% ANSWER DOWNLOAD EXAMIANS APP
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