• 单选题 An advantage of a helical gear pump over a simple gear pump is that the helical gear pump is capable of （）.

  标签：船舶辅助机械 2022-01-01 05:45

• 单选题 The purpose of the low pressure cut-out switch is to （）.

  标签：船舶辅助机械 2021-12-31 23:43

• 单选题 During working, thermostatic expansion valve should be （）.

  标签：船舶辅助机械 2021-12-31 23:04

• 单选题 When the steering gear is in operation, you should （）.

  标签：船舶辅助机械 2021-12-31 22:58

• 单选题 When you adjust a thermostatic expansion valve, （）.

  标签：船舶辅助机械 2021-12-31 22:58

• 单选题 Oil Record Book Part I shall be provided to （）.

  标签：船舶辅助机械 2021-12-31 19:52

• 单选题 The internal part of boiler should be welded by yard if found （）.

  标签：船舶辅助机械 2021-12-31 19:52

• 单选题 The pressure head of a water pump is given in the unit of （）.

  标签：船舶辅助机械 2021-12-31 19:27

• 单选题 The donkey boiler may be given a bottom blow （）

  标签：船舶辅助机械 2021-12-31 19:27

• 单选题 The pressure head of a pump is given in the unit of （）.

  标签：船舶辅助机械 2021-12-31 19:27

• 单选题 Domestic water pump is started automatically by （） which operates as the water level falls to a predetermined level.

  标签：船舶辅助机械 2021-12-31 19:25

• 单选题 A centrifugal pump may fail to deliver water when first started if the （）.

  标签：船舶辅助机械 2021-12-31 19:24

• 单选题 Increased internal leakage, in addition to poor hydraulic system response,and inadequate lubrication, is the result of （）.

  标签：船舶辅助机械 2021-12-31 18:43

• 单选题 The correct pH value of boiler water is achieved by continuous addition of a suitable （） to the feed.

  标签：船舶辅助机械 2021-12-31 18:43

• 单选题 On which of the following heated surfaces of a flash type evaporator would you be more likely to find soft scale formation?（）

  标签：船舶辅助机械 2021-12-31 18:43

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