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 50 150 100 10 50 150 ANSWER DOWNLOAD EXAMIANS APP
DC Generators The overall efficiency of a dc generator is maximum when its variable loss is equal to Iron loss Mechanical loss Stray loss Constant loss Iron loss Mechanical loss Stray loss Constant loss ANSWER DOWNLOAD EXAMIANS APP
DC Generators In D.C. generators the polarity of the interpoles Is the same as that of the main pole ahead Is opposite to that of the main pole ahead Is neutral as these poles do not play part in generating e.m.f. Is the same as that of the immediately preceding pole Is the same as that of the main pole ahead Is opposite to that of the main pole ahead Is neutral as these poles do not play part in generating e.m.f. Is the same as that of the immediately preceding pole ANSWER DOWNLOAD EXAMIANS APP
DC Generators Stray losses consist of Magnetic and copper losses None of the listed here Mechanical and copper losses Magnetic and mechanical losses Magnetic and copper losses None of the listed here Mechanical and copper losses Magnetic and mechanical losses ANSWER DOWNLOAD EXAMIANS APP
DC Generators For the same rating, a dc machine has_______ an ac machines. None of the listed here The same weight as More weight than Less weight than None of the listed here The same weight as More weight than Less weight than ANSWER DOWNLOAD EXAMIANS APP
DC Generators The efficiency of a dc generator means its Mechanical efficiency Overall efficiency None of the listed here Electrical efficiency Mechanical efficiency Overall efficiency None of the listed here Electrical efficiency ANSWER DOWNLOAD EXAMIANS APP
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