题目内容

【多选题】What are the evaluation parameters of composition in crude oil ?

Asphaltene content;
B. Wax content;
C. Relative molecular mass;
D. Colloid content;
E. Sulfur content

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【多选题】What are the physical properties of crude oil ?

A. Conductivity;
B. Freezing point;
Color & Odour;
D. Viscosity;
E. Density & Relative density

【多选题】How to reduce the viscosity of crude oil?

A. Increase density;
B. Decrease Density;
C. Increase temperature;
Decrease temperature

【多选题】What are the gaseous hydrocarbons under normal conditions of temperature and pressure?

A. Methane;
B. Ethane;
C. Propane;
D. Butane;
E. Benzene

【多选题】How many liters is the one barrel of crude oil?

A. 1859;
B. 1949;
C. 1959;
D. 159;
E. 1939