DC Motors The rheostatic speed control method is very Unsuitable for rapidly changing loads Efficient Economical Suitable for getting speeds above the normal Unsuitable for rapidly changing loads Efficient Economical Suitable for getting speeds above the normal ANSWER DOWNLOAD EXAMIANS APP
DC Motors These days dc motors are widely used in Air compressors Electric traction Machine shops Pumping sets Air compressors Electric traction Machine shops Pumping sets ANSWER DOWNLOAD EXAMIANS APP
DC Motors Small dc motors up to 5 HP usually have 2 poles 4 poles 6 poles 8 poles 2 poles 4 poles 6 poles 8 poles ANSWER DOWNLOAD EXAMIANS APP
DC Motors Armature reaction in dc motor is increased When the armature current increases By interpoles When the field current increases When the armature current decreases When the armature current increases By interpoles When the field current increases When the armature current decreases ANSWER DOWNLOAD EXAMIANS APP
DC Motors The commutating pole winding is connected in Parallel with the armature None of the listed here Series-parallel with the armature Series with the armature Parallel with the armature None of the listed here Series-parallel with the armature Series with the armature ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following loss in a D.C. generator varies significantly with the load current? Armature copper loss Field copper loss None of these Windage loss Armature copper loss Field copper loss None of these Windage loss ANSWER DOWNLOAD EXAMIANS APP
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