Electrical Engineering Questions And Answers :: Dc Generators: part2



Electrical Engineering : Dc Generators QUESTIONS AND ANSWERS :: part2 : 1 to 5

Following Electrical Engineering Multiple choice objective type questions and answers will help you in BSNL JTO, GATE 2014 and IES 2014 examinations :

1.If brushes of a D.C. generator are moved in order to bring these brushes in magnetic neutral axis, there will be

demagnetisation only
cross magnetisation as well as magnetisation
crossmagnetisation as well as demagnetising
cross magnetisation only

2.Armature reaction of an unsaturated D.C. machine is

crossmagnetising
demagnetising
magnetising
none of above

3.In the case of lap winding resultant pitch is

multiplication of front and back pitches
division of front pitch by back pitch
sum of front and back pitches
difference of front and back pitches

4.Welding generator will have

lap winding
wave winding
delta winding
duplex wave winding

5.The armature core of a D.C. generator is usually made of

silicon steel
copper
non-ferrous material
cast-iron

More Dc Generators QUESTIONS AND ANSWERS available in next pages

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