In a complete oil/water separator, more oil will separate out onto the underside of these plates and travel outwards until it is free to rise into the oil collecting space Whats the meaning of "it" in the sentence above?（）
The main function of the lubrication system in to enable （） of a film of oil between the moving parts.
The max effluent of the oil content from a ship of 400 tons gross tonnage and above other than an oil tanker is（）.
（）is not a process of weathering of the oil spilled in the sea water.
The rate of expansion of heated fuel oil varies with the （）.
The pour point of lubricating oils is affected the most by which of the following?（）
Which of the following statements is correct concerning the viscosity of lubricating oil?（）
Which of the following operations need to be entered on the Oil Record Book Part I? （） (1) Ballast of fuel oil tanks (2) Condition of oil discharge monitoring and control system
Which of the following operations need NOT to be entered on the Oil Record Book Part I?（） (1) Disposal of oil residues (2) Internal transfer of fuel oil
What type of oil is not covered in the oil pollution law?（）
Unless such oil tanker carries crude oil which is not suitable for crude oil washing，the oil tanker shall（）the system in accordance with the requirements of that Regulation.
The use of sinking and dispersing agents for the removal of surface oil is （）.
Spreading oil on the open sea has the effect of（）.
Which of the following operations must be entered on the Oil Record Book Part Ⅰ? （） Ⅰ.Routine discharge at sea of bilge water containing oil from the machinery spaces Ⅱ.Bunkering of fuel oil
Waste oil from the lube oil sumps of machinery may NOT be （）.
Fueling results in the collection of waste oil in drip pans and containers. Which is an approved method of disposing of the waste oil? （）
The emulsion of the oil is mainly caused by （）.
Which of the following conditions indicates the dilution of diesel engine lube oil by fuel oil？ .
Temperature affects the viscosity of oil.（)
In purification, there is no fuel oil in the clean oil outlet.It could be caused by _____. I.too high temperature of the dirty fuel oil; II. too low temperature of the dirty fuel oil; III. Clogged filter
From the author's point of view, the best way to prevent oil spills is to get rid of oil completely.
On engines having oil cooled pistons the lubricating oil pre-heater must be put into operation and the rate of heating so ______ that the temperature of the piston cooling oil returns are 32 to 35℃ over a period of at least two hours.
翻译：To the mineral oil，we owe the pssibility of flying.
