轮机英语【二三管】题库

单选题 1分

The frequency of an alternator at a given r/min is determined by the _____.

  • A. number of turns of wire in the armature coil
  • B. number of magnetic poles
  • C. strength of the magnets used
  • D. output voltage
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1 单选题 1分
The frequency of an alternator at a given r/min is determined by the _____.
  • A. number of turns of wire in the armature coil
  • B. number of magnetic poles
  • C. strength of the magnets used
  • D. output voltage
2 单选题 1分
Brush gear should be inspected to ensure _____ brush pressure and the _____ adjusted if necessary.
  • A. adequate, brushes
  • B.little, brushes
  • C. adequate, springs
  • D.little, springs
3 单选题 1分
The generators should be up to the principal requirements and ___ sparks or noises.
  • A. runs without
  • B. runs with
  • C. run without
  • D. run with
5 单选题 1分
The auxiliary engine and generator are connected with _____.
  • A. cross-head
  • B. ring
  • C. cam
  • D. couplings
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轮机英语【二三管】-题库

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