第一阶段在线作业
单项选择题 <;共13道题>
1.〔
2.5分〕 The individual phas <gas, , liquid water, and solids> should be parated from each other as early as practical.
• A、liquid hydrocarbon
• B、free water
• C、sludge
• D、bubbles
我的答案:A 此题得分:2.5分
2.〔2.5分〕 is the mainly pound in natural gas.
• A、Oxygen
• B、Methane
• C、Ethane
• D、Propane
我的答案:B 此题得分:2.5分
3.〔2.5分〕 H2S and CO2 are very corrosive when is prent.
• A、liquid water
• B、air
• C、oxygen
• D、bubbles
我的答案:A 此题得分:2.5分
4.〔2.5分〕 H2S and CO2 are short for .
煤烟中毒
• A、hydrogen sulfide and carbon dioxide
• B、hydrogen sulfur and carbon oxygen
• C、hydrogen sulfide and carbon oxygen
• D、hydrogen sulfur and carbon dioxide
我的答案:A 此题得分:2.5分
5.〔2.5分〕 Sweet gas refers to the gas containing .
• A、ethane
• B、CO2
• C、H2S
• D、water vapor
我的答案:B 此题得分:2.5分
跳子6.〔2.5分〕 are built in vertical, horizontal and spherical designs.
• A、Separators
• B、Heater-treaters
• C、Towers
• D、Meters
我的答案:A 此题得分:2.5分
7.〔2.5分〕 The size of heat-treater is dependent upon the of oil and water to be handled.
• A、pressure
经文纬武
• B、temperature
• C、volume
• D、position
我的答案:C 此题得分:2.5分
8.〔2.5分〕 An emulsion is a bination of two immiscible .
• A、solids
• B、liquids
• C、waters
• D、gas
我的答案:B 此题得分:2.5分
9.〔2.5分〕 For the formation of a stable emulsion, the liquids must be .
• A、mixed
• B、disperd
• C、free
• D、immiscible
我的答案:D 此题得分:2.5分
10.〔2.5分〕 There must be sufficient to disper one liquid as droplets in the other for the formation of a stable emulsion.
• A、agitation
• B、mixing
• C、flowing
• D、bubbles
我的答案:A 此题得分:2.5分
11.〔2.5分〕 There must be an for the formation of a stable emulsion.礼记
• A、demulsifier
• B、salt
• C、emulsifier
• D、 water
我的答案:C 此题得分:2.5分
12.〔2.5分〕 In W/O emulsion, is the disperd pha.
• A、demulsifier
• B、oil
• C、emulsifier
• D、 water
我的答案:D 此题得分:2.5分
备孕
13.〔2.5分〕 Hydrate inhibitors is ud to lower of water vapor and thus prevent hydrate formation in flow lines.
• A、pressure
• B、temperature
• C、flow rate
• D、freezing point鬼压床是什么原因
我的答案:D 此题得分:2.5分
多项选择题 <;共13道题>大海风景图片
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14.〔2.5分〕 The non-hydrocarbons may contain .
• A、carbon
• B、oxygen
• C、sulfur
• D、nitrogen
菲利宾