I remember （）the oil separator the day

1、The oil sump, a light welded design, i

The oil sump, a light welded design, is mounted on the engine block from below and sealed by （）AO-ringBgasketCwasherDpacking

2、In an oily water separator the oil wil

In an oily water separator the oil will travel （） to the oil collecting spaces.AupwardsBdownwardsCoutwardsDforward

3、The ability of an oil to separate clea

The ability of an oil to separate cleanly from an oil and water mixture is referred to as its （）.Aprecipitation numberBneutralization numberCpour pointDdemulsibility

4、What did the author remember most fond

What did the author remember most fondly of her train trip?A The friendly country people.B The mountains along the way.C The crowds of people in the streets.D The simple lunch served on the train.

5、The separating effect of oil separator

The separating effect of oil separator is not very good, the reason may be（）Atoo little seal waterBimproper gravity discCoil discharging pump not working very wellDlow water level of the working water

6、What did the author remember most fond

What did the author remember most fondly of her train trip?A The friendly country people.B The mountains along the way.C The crowds of people in the streets.D The simple lunch served on the train.