Electrical Engineering Questions And Answers :: Dc Generators: part1

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Electrical Engineering : Dc Generators QUESTIONS AND ANSWERS :: part1 : 6 to 10

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

6.Which of the following could be lamina-proximately the thickness of lamina-tions of a D.C. machine ?

0.005 mm
0.05 mm
0.5 m
5 m

7.The field coils of D.C. generator are usually made of

mica
copper
cast iron
carbon

8.In case of D.C. machines, mechanical losses are primary function of

current
voltage
speed
none of above

9.A separately excited generator as compared to a self-excited generator

is amenable to better voltage con-trol
is more stable
has exciting current independent of load current
has all above features

10.The commutator segments are connected to the armature conductors by means of

copper lugs
resistance wires
insulation pads
brazing

More Dc Generators QUESTIONS AND ANSWERS available in next pages

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