The saturation temperature would not remove excess energy from the     system and reduce the overall efficiency.（    ）

试卷相关题目

• 1It is suggested that the water should not be cooled below the saturation

  A.erature.（ ）A.Right

  B.Wrong

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• 2A condenser is a heat exchanger removing the vaporization heat from the exhaust steam and condensing the exhaust steam into water.（    ）

  A.Right

  B.Wrong

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• 3A desperate man will stop at nothing to get（    ）he wants.

  A.that

  B.what

  C.which

  D.who

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• 4They had an accdent on the road and didnt（    ）at their hotel unti after midnight.

  A.check up

  B.check in

  C.write down

  D.stay up

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• 5With the countty populaton（    ）iast, the government has taken the bith     control    policy.

  A.to grow

  B.grows

  C.has grown

  D.growing

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• 6It   is unnecessary to reduce the steam to water so that it can be pumped back  through  the  system.（    ）

  A.Right

  B.Wrong

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• 7T he condenser does not control back-pressure at the turbine exhaust.（    ）

  A.Right

  B.Wrong

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• 8The important factor controlling the turbine backpressure is the temperature

  A.Right

  B.Wrong

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• 9The temperature of cooling water wil increase its temperature between 15° Fand 20° Fas it passes through the condenser.（    ）

  A.Right

  B.Wrong

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• 10The terminal difference means the temperature difference between the     cooling water and the turbine exhaust steam（    ）

  A.Right

  B.Wrong

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