Direct Current Generator Or DC Generator Objective Questions and Answers
16. The polarity of a DC generator can be reversed
A. Reversing the field current
B. Increasing the field current
C. Reversing field current as well as direction of rotation
D. Any of the above
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A. Reversing the field current
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17. In DC generators, lap winding is used for
A. High voltage, high current
B. Low voltage, high current
C. High voltage, low current
D. Low voltage, low current
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18. Magnetic field in a DC generator is produced by
A. Electromagnets
B. Permanent magnets
C. Both A and B
D. None of the above
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19. Which of the following components of a DC generator plays vital role for providing direct current of a DC generator?
A. Dummy coils
B. Commutator
C. Eye bolt
D. Equilizer rings
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20. In a DC generator the actual flux distribution depends upon
A. Size of air gap
B. Shape of the pole shoe
C. Clearance between tips of the adjacent pole shoes
D. All of the above
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