DC Generators The armature of a dc machine having 10 poles is rotating at a speed of 10 revolution per second. The number of hysteresis loops formed per second is ______ 50 100 10 150 50 100 10 150 ANSWER DOWNLOAD EXAMIANS APP
DC Generators A shunt generator gives its greatest voltage at None of the listed here Full load No load Half full load None of the listed here Full load No load Half full load ANSWER DOWNLOAD EXAMIANS APP
DC Generators The brush voltage drop in dc machine is about _______ 2 V 0.1 V 20 V 10 V 2 V 0.1 V 20 V 10 V ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a dc machine, the number of commutator segment is equal to Twice the number of poles Numbers of conductors None of the listed here Number of coils Twice the number of poles Numbers of conductors None of the listed here Number of coils ANSWER DOWNLOAD EXAMIANS APP
DC Generators The greatest eddy current loss occurs in the _____ of a dc machine. Field poles Commutating poles Armature Yoke Field poles Commutating poles Armature Yoke ANSWER DOWNLOAD EXAMIANS APP
DC Generators The armature of dc machine is laminated in order to reduce Frictional loss Eddy current loss Copper loss Hysteresis loss Frictional loss Eddy current loss Copper loss Hysteresis loss ANSWER DOWNLOAD EXAMIANS APP