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 ______ 100 10 150 50 100 10 150 50 ANSWER DOWNLOAD EXAMIANS APP
DC Generators Wave winding is composed of That even number which is exact multiple of poles That even number which is exact multiple of poles + 2 Any odd number of conductors Any even number of conductors That even number which is exact multiple of poles That even number which is exact multiple of poles + 2 Any odd number of conductors Any even number of conductors ANSWER DOWNLOAD EXAMIANS APP
DC Generators The brush voltage drop in dc machine is about _______ 0.1 V 2 V 10 V 20 V 0.1 V 2 V 10 V 20 V ANSWER DOWNLOAD EXAMIANS APP
DC Generators Dc machines which are subjected to abrupt changes of load are provided with Equalisers Compensating windings Interpole windings Copper brushes Equalisers Compensating windings Interpole windings Copper brushes ANSWER DOWNLOAD EXAMIANS APP
DC Generators In case of dc machines, mechanical losses are primary function of Current Speed Voltage None of the listed here Current Speed Voltage None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Generators The overall efficiency of a dc generator is maximum when its variable loss is equal to Mechanical loss Stray loss Constant loss Iron loss Mechanical loss Stray loss Constant loss Iron loss ANSWER DOWNLOAD EXAMIANS APP
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