DC Motors In a dc compound machine, Series field winding plays dominant role Both play equally dominant role Shunt field winding plays dominant role Either can play dominant role Series field winding plays dominant role Both play equally dominant role Shunt field winding plays dominant role Either can play dominant role ANSWER DOWNLOAD EXAMIANS APP
DC Motors The commutating winding is basically used in a dc machine To improve commutation To control the speed of machine To reduce armature reaction None of the listed here To improve commutation To control the speed of machine To reduce armature reaction None of the listed here 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 For constant torque drive which speed control method is preferred? Shunt armature control Armature voltage control Field control Mechanical loading system Shunt armature control Armature voltage control Field control Mechanical loading system ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following loss in a D.C. generator varies significantly with the load current? Field copper loss Windage loss Armature copper loss None of these Field copper loss Windage loss Armature copper loss None of these ANSWER DOWNLOAD EXAMIANS APP
DC Motors The compensating winding is connected in Series with armature None of the listed here Series-parallel with armature Parallel with armature Series with armature None of the listed here Series-parallel with armature Parallel with armature ANSWER DOWNLOAD EXAMIANS APP
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