DC Generators The bearings used to support the rotor shafts are generally Bush bearings Needle bearings Ball bearings Magnetic bearings Bush bearings Needle bearings Ball bearings Magnetic bearings ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a short shunt compound wound generator, the shunt field is connected in parallel with Series combination of armature and series field Armature Parallel combination of armature and series field Series field Series combination of armature and series field Armature Parallel combination of armature and series field Series field ANSWER DOWNLOAD EXAMIANS APP
DC Generators _____ together are called stray losses. Field copper loss and iron loss Frictional loss and copper loss Iron and friction losses Copper and iron losses Field copper loss and iron loss Frictional loss and copper loss Iron and friction losses Copper and iron losses ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a wave winding, the commutator pitch is approximately equal to None of the listed here Pole pitch Twice the pole pitch Thrice the pole pitch None of the listed here Pole pitch Twice the pole pitch Thrice the pole pitch ANSWER DOWNLOAD EXAMIANS APP
DC Generators The coupling field between electrical and mechanical systems of a dc machine is ______ Electric field Both electrical and magnetic fields None of the listed here Magnetic field Electric field Both electrical and magnetic fields None of the listed here Magnetic field ANSWER DOWNLOAD EXAMIANS APP
DC Generators The efficiency of a dc generator is maximum when its variable loss is Equal to Constant loss Equal to double the constant loss None of the listed here Equal to half of constant loss Equal to Constant loss Equal to double the constant loss None of the listed here Equal to half of constant loss ANSWER DOWNLOAD EXAMIANS APP
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