DC Motors In a dc compound machine, Shunt field winding plays dominant role Series field winding plays dominant role Both play equally dominant role Either can play dominant role Shunt field winding plays dominant role Series field winding plays dominant role Both play equally dominant role Either can play dominant role 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% 2.22% 4.76% 8.85% 6.77% 2.22% 4.76% ANSWER DOWNLOAD EXAMIANS APP
DC Motors When the speed of dc motor increases, its armature current None of the listed here Increases Decreases Remains same None of the listed here Increases Decreases Remains same ANSWER DOWNLOAD EXAMIANS APP
DC Motors The mechanical power developed in a dc motor is maximum when back emf is equal to _____ the applied voltage. None of the listed here Twice Half One-third None of the listed here Twice Half One-third ANSWER DOWNLOAD EXAMIANS APP
DC Motors The friction and windage losses in a dc motor depends upon Flux Speed Armature current Field and armature resistance Flux Speed Armature current Field and armature resistance ANSWER DOWNLOAD EXAMIANS APP
DC Motors A dc series motor is that which Has almost constant speed Has a poor torque Can be started easily without load Has its field winding consisting of thick wire and less turns Has almost constant speed Has a poor torque Can be started easily without load Has its field winding consisting of thick wire and less turns ANSWER DOWNLOAD EXAMIANS APP
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