41. |
Which of the following is/are the methods to reduce the armature reaction and its effects?
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Answer:
Option (d) |
42. |
In DC machine torque depends on which of the following?
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Answer:
Option (c) |
43. |
Compensating winding is placed in the
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Answer:
Option (a) |
44. |
The direction of the current in the compensating winding is __________ to the direction of current in the armature conductors.
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Answer:
Option (b) |
45. |
Which of the following is/are the advantages of carbon brush over the copper brush?
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Answer:
Option (d) |
46. |
The size of inter poles is small as compared to main poles. What is the reason?
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Answer:
Option (a) |
47. |
The functions of inter poles are
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Answer:
Option (c) |
48. |
Which of the following statements is/are correct?
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Answer:
Option (c) |
49. |
In the DC machine shape of the main field, flux distribution is?
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Answer:
Option (b) |
50. |
In the DC machine shape of the armature MMF wave is?
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Answer:
Option (a) |