11. |
In a dc machine 72 number of coils are used. Find the number of commutator segments required?
|
||||||||
Answer:
Option (d) |
12. |
In DC generators brushes are used for
|
||||||||
Answer:
Option (a) |
13. |
Which of the following type of brush and their application is/are correct?
|
||||||||
Answer:
Option (d) |
14. |
Which of the following bearings and their uses are correct
|
||||||||
Answer:
Option (d) |
15. |
Which of the following windings are necessary in the case of all dc machines?
|
||||||||
Answer:
Option (a) |
16. |
DC machine windings are
|
||||||||
Answer:
Option (a) |
17. |
Which of the following represents the commutator pitch?
|
||||||||
Answer:
Option (d) |
18. |
In a dc machine, 4 pole lap winding is used. The number of parallel paths is?
|
||||||||
Answer:
Option (b) |
19. |
In a dc machine, 6 pole wave winding is used. The number of parallel paths is?
|
||||||||
Answer:
Option (a) |
20. |
Inter pole winding is connected in-------------------------- ?
|
||||||||
Answer:
Option (a) |