Here some oil in the oily water separator, as a result of its lower （）, will separate and rise into the oil collection space.

A、temperature

B、viscosity

C、density

D、velocity

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更多“Here some oil in the oily water separator, as a result of its lower （）, will separate and rise into the oil collection space.”相关的问题

第1题

[单选题] In the sentence “In some designs the cylinder oil is timed so that the oil injects only on the piston ring belt, the "piston ring belt" means （）.

A、piston crown B、piston ring groove C、piston skirt D、piston ring area

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第2题

[单选题] In some designs the cylinder oil is timed so that the oil injects only on the （）.

A、piston crown B、piston groove C、piston skirt D、piston ring belt

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第3题

[单选题] Hydraulic control check value is generally used to （） in the marine hydraulic mechanism.

A、control the back pressure of return oil B、lock the oil lines under some conditions C、change the direction of oil flow D、act as relief valve

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第4题

[单选题] Why are some diesel engine cylinder liners plated on the wearing surface with porous chromium?（）

A、The chromium will not wear out the piston rings B、The chromium strengthens the liners in the way of the scavenging air ports C、Chromium eliminates the need for oil scraper rings D、Pores in the plating aid in maintaining the lube oil film