A. Sulphur & its compounds
B. Water
C. Organic impurities
D. Wax
Related Mcqs:
- In Hydrofining catalytic desulphurisation process for sweetening of petroleum products, use of hydrogen_________________?
A. Enhances the desulphurisation process
B. Minimises coke formation
C. Both A. and B.
D. Neither A. nor B. - Hydrogen content in petroleum products varies from 12 to 15% (by weight). As a result the difference between gross and net heating value of petroleum fuels varies in the range of ______________ kcal/kg?
A. 600-750
B. 250-350
C. 1000-1500
D. 2000-2500 - In sweetening process, solutizer agent used with caustic alkali is_______________?
A. Potassium isobutyrate
B. Sodium plumbite
C. Methanol
D. Phenol - In solutizer sweetening process, solutizer solution used is_______________?
A. Methanol in Unisol process
B. Naphthenic acid in Mercapsol process
C. Both A. and B.
D. Neither A. nor B. - Catalytic desulphurisation process used for sweetening of straight run gasoline and kerosene uses _______________ as catalyst?
A. Bauxite
B. Fuller’s earth
C. Activated clay
D. All A., B. & C. - Specific gravity of a petroleum product gives an indication of its _________________?
A. Degree of refinement
B. Hydrocarbon content type (aromatic or paraffinic)
C. Ease of atomisation
D. Sulphur content - _____________ chloride present in crude petroleum as impurity is the most prolific producer of HCl during distillation?
A. Magnesium
B. Potassium
C. Calcium
D. Sodium - Which is almost absent in crude petroleum ?
A. Olefins
B. Mercaptans
C. Naphthenes
D. Cycloparaffins - Which of the following factors does not govern the mechanism of petroleum formation from organic sources ?
A. pH of the soil
B. Bacterial action
C. Heat
D. Pressure - Petroleum liquid fuels having flash point greater than 66°C is considered as safe during storage and handling. Which of the following has flash point > 66°C ?
A. Naphtha
B. Petrol
C. Kerosene
D. Heavy fuel oil
