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Rectifiers and Converters - Interview Questions and Answers

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11. A rotary converter in general construction and design, is more or less like
A. a transformer
B. an induction motor
C. an alternator
D. any D.C. machine
Explanation:
12. In a mercury arc rectifier positive ions are attracted towards
A. anode
B. cathode
C. shell bottom
D. mercury pool
Explanation:
13. A rotary converter combines the function of
A. an induction motor and a D.C. generator
B. a synchronous motor and a D.C. generator.
C. a D.C. series motor and a D.C. generator
D. none of the above
Explanation:
14. The voltage drop between the anode and cathode, of a mercury arc rectifier comprises of the following
A. anode drop and cathode drop
B. anode drop and arc drop
C. cathode drop and arc drop
D. anode drop, cathode drop and arc drop
Explanation:
15. A rotary converter is a single machine with
A. one armature and one field
B. two armatures and one field
C. one armature and two fields
D. none of the above
Explanation:
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