DC Generators For the same rating, a dc machine has_______ an ac machines. Less weight than More weight than None of the listed here The same weight as Less weight than More weight than None of the listed here The same weight as ANSWER DOWNLOAD EXAMIANS APP
DC Generators High voltage dc machine use _____ winding. Either lap or wave Wave Lap None of the listed here Either lap or wave Wave Lap None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a dc generator, the eddy current power loss is Directly proportional to sqaure of thickness of each lamination Inversely proprtional to thickness of each lamination None of the listed here Directly proportional to thickness of each lamination Directly proportional to sqaure of thickness of each lamination Inversely proprtional to thickness of each lamination None of the listed here Directly proportional to thickness of each lamination ANSWER DOWNLOAD EXAMIANS APP
DC Generators To avoid formation of grooves in the commutator of a D.C. machine The brushes of opposite polarity should track each other The brushes of same polarity should track each other Brush position has no effect on the commutator grooving All of these The brushes of opposite polarity should track each other The brushes of same polarity should track each other Brush position has no effect on the commutator grooving All of these ANSWER DOWNLOAD EXAMIANS APP
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 ______ 50 100 150 10 50 100 150 10 ANSWER DOWNLOAD EXAMIANS APP
DC Generators The critical resistance of the D.C. generator is the resistance of Brushes Load Field Armature Brushes Load Field Armature ANSWER DOWNLOAD EXAMIANS APP