DC Generators The bearings used to support the rotor shafts are generally Ball bearings Bush bearings Needle bearings Magnetic bearings Ball bearings Bush bearings Needle bearings Magnetic bearings ANSWER DOWNLOAD EXAMIANS APP
DC Generators The copper loss is constant for Shunt generator only Both shunt and compound generator Series generator only None of the listed here Shunt generator only Both shunt and compound generator Series generator only None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Generators The number of brushes in a commutator depends on Voltage Type of winding Amount of current to be collected Speed of armature Voltage Type of winding Amount of current to be collected Speed of armature ANSWER DOWNLOAD EXAMIANS APP
DC Generators The purpose of providing dummy coils in a generator is To reduce eddy current losses To provide mechanical balance for the rotor To enhance flux density To amplify voltage To reduce eddy current losses To provide mechanical balance for the rotor To enhance flux density To amplify voltage ANSWER DOWNLOAD EXAMIANS APP
DC Generators A shunt generator gives its greatest voltage at Half full load No load None of the listed here Full load Half full load No load None of the listed here Full load ANSWER DOWNLOAD EXAMIANS APP
DC Generators Dc machines which are subjected to abrupt changes of load are provided with Equalisers Interpole windings Copper brushes Compensating windings Equalisers Interpole windings Copper brushes Compensating windings ANSWER DOWNLOAD EXAMIANS APP
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