61. |
Armature resistance control method is used for the _______ ?
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Answer:
Option (b) |
62. |
Armature reaction effect is more in which of the following speed control methods?
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Answer:
Option (a) |
63. |
Field weakening method is also called as _________?
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Answer:
Option (b) |
64. |
The armature resistance control method is also called as __________ ?
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Answer:
Option (a) |
65. |
If the terminal voltage of one 1000 rpm shunt motor is reduced to half, the speed of the motor will be _____________
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Answer:
Option (c) |
66. |
Diverters are used only in DC __________ motor for speed control.
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Answer:
Option (b) |
67. |
Which of the following starter is sufficient to start the DC series motor?
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Answer:
Option (c) |
68. |
Total core loss is also called as __________ .
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Answer:
Option (b) |
69. |
Which of the following are variable losses?
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Answer:
Option (d) |
70. |
Swinburne test is conducted under which of the following condition?
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Answer:
Option (a) |