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 field winding of a dc shunt machine usually caries _______ of the rated current of the machine. 15 to 25% 2% to 5% More than 20% Less than 0.5 % 15 to 25% 2% to 5% More than 20% Less than 0.5 % ANSWER DOWNLOAD EXAMIANS APP
DC Generators The terminal voltage of a series generator is 150 V when the load current is 5 A. If the load current is increased to 10 A, the terminal voltage will be Less than 150 V 150 V Greater than 150 V None of these Less than 150 V 150 V Greater than 150 V None of these ANSWER DOWNLOAD EXAMIANS APP
DC Generators Wave wound generators provide Less current but more voltage More current but less voltage More current and more voltage None of the listed here Less current but more voltage More current but less voltage More current and more voltage None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Generators The armature winding of a dc machine is place on the rotor to ______ Facilitate commutation Save iron Reduce armature reaction Reduce losses Facilitate commutation Save iron Reduce armature reaction Reduce losses ANSWER DOWNLOAD EXAMIANS APP
DC Generators In lap winding, the number of brushes is always Half the number of poles Same as the number of poles Double the number of poles Two Half the number of poles Same as the number of poles Double the number of poles Two ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS