• 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

• 单选题 A pump is said to have "negative suction head" when the pump is located （）.

  标签：船舶辅助机械 2021-12-31 18:36

• 单选题 Which of the following terms could be applied to the simple definition the energy of motion?（）

  标签：船舶辅助机械 2021-12-31 18:36

• 单选题 Which of the following terms is used to identify the pressure of the liquid entering a pump?（）

  标签：船舶辅助机械 2021-12-31 18:36

• 单选题 In an oil cooler circulated by sea water, the oil is at a larger pressure the result being that any leak in the cooler will mean a loss of （）.

  标签：船舶辅助机械 2021-12-23 12:30

• 单选题 The crane is usually mounted on a pedestal to offer adequate （） to the operator.

  标签：船舶辅助机械 2021-08-19 12:26

• 单选题 Which of the listed conditions can lead to cavitation气穴in a centrifugal pump?（）

  标签：船舶辅助机械 2021-08-08 06:09

• 单选题 If an anchor windlass has been idle for some time, you should （）.

  标签：船舶辅助机械 2021-08-07 10:05

• 单选题 Some pumps use packing as sealing glandThe gland should be （）.

  标签：船舶辅助机械 2021-08-07 10:05

• 单选题 The fresh water generator produces fresh water （）.

  标签：船舶辅助机械 2021-07-31 10:26

• 单选题 The percentage of impurities in a specific fuel oil sample is determined by （）.

  标签：船舶辅助机械 2021-07-23 06:47

• 单选题 When installing a hydraulic hose, which of the following precautions should be taken?（）

  标签：船舶辅助机械 2021-07-23 01:41

• 单选题 Which of the following centrifugal pump components converts the liquid kinetic energy of velocity to the potential energy of pressure?（）

  标签：船舶辅助机械 2021-07-20 04:35

• 单选题 While flowing through the volute in a centrifugal pump, part of the （） energy of the liquid is converted to （） energy.

  标签：船舶辅助机械 2021-07-20 04:35

• 单选题 Mechanical energy in transition is referred to as （）.

  标签：船舶辅助机械 2021-07-20 04:34

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