⟩ Smoke point of kerosene expresses its A. burning characteristics. B. luminosity characteristics. C. aromatic content directly. D. lamp wick wetting characteristics.
Option A
Option A
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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