DC Generators Due to armature reaction, the main pole flux of a dc generator is Weakened as well as distorted Distorted only Weakend only None of the listed here Weakened as well as distorted Distorted only Weakend only None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Generators The bearings used to support the rotor shafts are generally Ball bearings Needle bearings Magnetic bearings Bush bearings Ball bearings Needle bearings Magnetic bearings Bush bearings ANSWER DOWNLOAD EXAMIANS APP
DC Generators Which of the following will not prevent a self excited shunt generator from building upto its full voltage? Wrong direction of rotation No residual magnetism Speed too high Open field Wrong direction of rotation No residual magnetism Speed too high Open field ANSWER DOWNLOAD EXAMIANS APP
DC Generators The greatest percentage of heat loss in a dc machine is due to ______ Eddy current loss Copper loss Hysteresis loss Frictional loss Eddy current loss Copper loss Hysteresis loss Frictional loss ANSWER DOWNLOAD EXAMIANS APP
DC Generators The O. C. C. of a dc generator None of the listed here Is similar for all types of generators May be same or different Is different for different generators None of the listed here Is similar for all types of generators May be same or different Is different for different generators ANSWER DOWNLOAD EXAMIANS APP
DC Generators The field coil of dc generator are usually made of Mica Carbon Copper Cast iron Mica Carbon Copper Cast iron ANSWER DOWNLOAD EXAMIANS APP