⟩ Which is the most desirable component of a good quality kerosene? A. i-paraffins B. Aromatics C. n-paraffins D. Naphthenes
Option C
Option C
Flash point of a liquid petroleum fuel gives an idea about its A. volatility. B. explosion hazards characteristics. C. nature of boiling point diagram. D. all (a), (b) and (c)
Clay treatment of petroleum products A. decolorises & stabilises cracked gasoline. B. desulphurise straight run gasoline & kerosene. C. adsorb arsenic from feedstock to catalytic reforming. D. all (a), (b) & (c).
Waxy crudes are treated with chemical additives mainly to A. depress its pour point B. dissolve wax C. precipitate wax D. remove wax
Water content in the crude oil as it comes out of oil well may be upto __________ percent. A. 2 B. 5 C. 10 D. 25
Presence of predominantly large quantity of aromatics (polynuclear) is not desirable in aviation fuel, because it has A. high pour point and low smoke point. B. low viscosity index. C. high self-ingnition temperature. D. all (a), (b) and.(c).
__________ treatment is done for appreciable improvement in viscosity index of lubricating oil. A. Acid B. Solvent extraction C. Alkali D. Clay
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
Molecular weight of petrol may be about A. 40-60 B. 100-130 C. 250-300 D. 350-400
__________ chloride present in crude petroleum as impurity is the most prolific producer of HCl during distillation. A. Magnesium B. Potassium C. Calcium D. Sodium
Vacuum maintained in the vacuum distillation tower of the crude distillation plant is about __________ mm Hg (absolute). A. 5-10 B. 30-80 C. 150-250 D. 350-400