TMA3 CHM311 PETROLEUM CHEMISTRY
- Hydrocarbons heavier than methane that is recovered from natural gas are referred as_____?
- Natural gas solid
- Paraffin
- Natural gas liquid
- Gasoline
The answer is C. Natural gas liquid
- In order to reduce corrosion problems and to prevent hydrate formation?
- Moisture must be removed
- Moisture must be added
- Crude oil must be removed
- Metal must be removed
The A. Moisture must be removed
- Alternation of molecular structure is important in order to
- Breaking of large hydrocarbon into smaller ones
- Convert more valuable hydrocarbon compound into valuable ones
- Convert less valuable hydrocarbon into valuable ones
- Convert less valuable hydrocarbon compound into less ones
The answer is C. Convert less valuable hydrocarbon into valuable ones
- In chemisorption, the is characterized by ______?
- Removal of moisture
- Corrosion
- High capability of absorption large amount of acid gasses
- Addition of water
The answer is C. High capability of absorption large amount of acid gasses
- The following are the most important process used for physical absorption of gas except?
- Celexol
- Selexol
- Sulphinol
- Rectisol
The answer is A. Celexol
- Solid while compounds formed from a physical chemical reaction between hydrocarbons and water under the high pressures and low temperatures used to transport natural gas via pipeline are known as ____?
- Moisture
- Hydrate
- Catalyst
- Sulphate
The answer is B. Hydrate
- Natural gas liquids are normally fractionated to separate them into the following stream except?
- An ethane-rich stream
- Natural gasoline
- Liquefied petroleum gas
- Solidified useful petrochemical
The answer is D. Solidified useful petrochemical
- Thermal diffusion and crystallization methods used in refining crude petroleum are based on difference in _____ of the components of crude oils.
- Chemical properties
- Physical properties
- Mechanical properties
- Extraction properties
The answer is B. Physical properties
- These are typical solvent for water removal in order to increase pipeline efficiency except
- Ethylene glycol
- Diethylene glycol
- Triethylene glycol
- Tetraethylene glycol
The answer is D. Tetraethylene glycol
- The following are methods used in alteration of molecular structure except____?
- Condensation cracking
- Reforming
- Hydro cracking
- Catalytic cracking
The answer is A. Condensation cracking
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