Chapter 2 DC GENERATORS MCQs

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1. . The purpose of a brush in a DC machine is to ________.





2. . A coil consists of _________.





3. . A DC generator converts ________ energy to ________ energy.





4. . ________ is induced in every generator.





5. . Commutator converts _________ into _________.





6. . To make the AC as unidirectional _________ is used.





7. . The yoke is _________.





8. . The yoke is _______ of DC machine.





9. . Yoke provides minimum _________ to magnetic flux.





10. . Yoke is made of _________.





11. . Pole core is placed ________ to yoke.





12. . Pole core is always _______ in numbers.





13. . Pole shoes ______ the flux in air gap.





14. . Pole shoes supports the _______ coils.





15. . Pole cores are made _________.





16. . Field coils are made according to the size of ________.





17. . The additional poles placed between the main poles are ________.





18. . The rotating cylindrical part inside the DC machine is _________.





19. . The thickness of armature stampings is up to ________ mm.





20. . There are ________ inside the armature stampings.





21. . There are ________ types of DC generator regarding field excitation.





22. . There are _______ important characteristics of DC generator.





23. . Compound generators are of ________ types.





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