11. Feedstock for polymerisation is
12. The first crude oil refinery of India is located at
13. High aniline point of a petrofuel (say diesel) indicates that
14. Aniline point of high speed diesel may be about __________ °C.
15. In a refinery petroleum crude is fractionated into gas fraction, light ends, intermediate distillates, heavy distillates, residues and by products. The group of products including gas oil, diesel oil and heavy fuel oil belongs to the fraction
16. Cetane number of diesel used in trucks may be about
17. Higher boiling fractions like atmospheric residue is distilled under vacuum at low temperature because at high temperature, there is a tendency of the predominance of
18. Doctor's solution used for sweetening of petroleum products is
19. Phenols are added in gasoline to
20. The octane number of aviation gasoline may be
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