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【单选题】

When separating the lube oil without additive, it is usually cleaned with hot water; the aim is to remove () from it.

A、acid

B、sludge

C、mechanical impurity

D、salinity

更多“When separating the lube oil without additive, it is usually cleaned with hot water; the aim is to remove () from it.”相关的问题
第3题

A、the separator is overload  B、the monitor equipment of separator fails  C、the discharge pump of separator can not work  D、the temperature of oil water is low  

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第5题

A、The high temperature facilitates primary gravity separation  B、Most of the oil and organic solvents are raised to the top layer  C、The high the temperature is, the more the top oil will be collected  D、The high temperature has little use on the separation of emulsified oil  

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第6题

A、from sunset to sunrise and during restricted visibility  B、only when other vessels are in the area  C、only when operating in a traffic separation scheme  D、only when under tow  

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第7题

A、by opening the separator manually  B、by separating the lower part from the upper part automatically  C、by separating the upper part from the lower part automatically  D、continuously  

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第8题

A、cut off the power  B、cut off the oil inlet  C、open guide water valve  D、close oil outlet value  

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第9题

A、All platforms running the Junos OS separate the functions of learning and flooding.  B、All platforms running the Junos OS separate the functions of control and forwarding.  C、All platforms running the Junos OS separate the functions of routing and bridging.  D、All platforms running the Junos OS separate the functions of management and routing.  

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