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輪機英語船舶輔助機械單項選擇題每日一練(2019.01.07)

來源：考試資料網(wǎng)

1 The pressure head of a water pump is given in the unit of （）.

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2 The part of the anchor windlass that engages the anchor chain for lifting is called the （）.

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3 When started, a complete oily water separating unit is first filled （）The oily water mixture is then pumped through the inlet pipe into the coarse separating compartment.

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4 Under centrifugal pumps are the volute, diffuser, mixed-flow, axial flow and （） or regenerative types.

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5 The steam coils in a high pressure evaporator used for saltwater service should be de-scaled with （）.

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