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輪機(jī)英語(yǔ)船舶輔助機(jī)械單項(xiàng)選擇題每日一練(2019.01.07)
來(lái)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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