⟩ Absolute vapor pressure of petrofuels is found by Reid bomb which is heated in water bath to 100°F. In Reid apparatus, the ratio of the volume of air chamber to that of the liquid fuel chamber is A. 1 B. 2 C. 3 D. 4
Option D
Option D
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
Octane number of n-heptane is assumed to be A. 100 B. 0 C. 70 D. ∞
Vacuum maintained in the vacuum distillation column in oil refinery is in the range of about __________ mm Hg absolute. A. 1 to 5 B. 30 to 80 C. 250 to 350 D. 450 to 500
Liquefied Petroleum Gas (LPG) is mainly a mixture of A. propane & butane B. methane & ethane C. high boiling olefins D. high boiling naphthenes
Concentration of H2SO4 catalyst in alkyla-tion is kept between 90-98%, because H2SO4 having concentration A. less than 90% promotes polymerisation. B. more than 98% promotes cracking. C. both (a) and (b). D. neither (a) nor (b).
High aniline point of a petrofuel (say diesel) indicates that A. it is highly aromatic in nature. B. it is highly paraffinic in nature. C. it has a very low diesel index. D. its ignition quality is very poor.
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