DC Motors The greatest percentage of power loss in a dc motor is due to Core loss Copper loss Windage loss Friction loss Core loss Copper loss Windage loss Friction loss ANSWER DOWNLOAD EXAMIANS APP
DC Motors Three point starter can be used for Both shunt and compound motor Series motor only Shunt motor only Compound motor only Both shunt and compound motor Series motor only Shunt motor only Compound motor only ANSWER DOWNLOAD EXAMIANS APP
DC Motors The rheostatic speed control method is very Unsuitable for rapidly changing loads Efficient Suitable for getting speeds above the normal Economical Unsuitable for rapidly changing loads Efficient Suitable for getting speeds above the normal Economical ANSWER DOWNLOAD EXAMIANS APP
DC Motors D.C. series motors are used Where load is constant Where load changes frequently None of these Where constant operating speed is needed Where load is constant Where load changes frequently None of these Where constant operating speed is needed ANSWER DOWNLOAD EXAMIANS APP
DC Motors The commutating winding is basically used in a dc machine To reduce armature reaction None of the listed here To control the speed of machine To improve commutation To reduce armature reaction None of the listed here To control the speed of machine To improve commutation ANSWER DOWNLOAD EXAMIANS APP
DC Motors The compensating winding is connected in None of the listed here Series with armature Series-parallel with armature Parallel with armature None of the listed here Series with armature Series-parallel with armature Parallel with armature ANSWER DOWNLOAD EXAMIANS APP
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