DC Generators The bearings used to support the rotor shafts are generally Bush bearings Needle bearings Magnetic bearings Ball bearings Bush bearings Needle bearings Magnetic bearings Ball bearings ANSWER DOWNLOAD EXAMIANS APP
DC Generators Brushes of D.C. machines are made of All of above Carbon Soft copper Hard copper All of above Carbon Soft copper Hard copper ANSWER DOWNLOAD EXAMIANS APP
DC Generators Magnetic field in a D.C. generator is produced by None of these Both (A) and (B) Electromagnets Permanent magnets None of these Both (A) and (B) Electromagnets Permanent magnets ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a dc generator, the eddy current power loss is Inversely proprtional to thickness of each lamination None of the listed here Directly proportional to sqaure of thickness of each lamination Directly proportional to thickness of each lamination Inversely proprtional to thickness of each lamination None of the listed here Directly proportional to sqaure of thickness of each lamination Directly proportional to thickness of each lamination ANSWER DOWNLOAD EXAMIANS APP
DC Generators An 8 pole, 250 V, wave wound generator has 400 conductors. If the generator is to be lap wound, the number of conductors required is ______ 800 3200 1600 100 800 3200 1600 100 ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a D.C. generator the magnetic neutral axis coincides with the geometrical neutral axis, when The generator runs on full load The generator runs on overload There is no load on the generator The generator runs on designed speed The generator runs on full load The generator runs on overload There is no load on the generator The generator runs on designed speed ANSWER DOWNLOAD EXAMIANS APP