Petroleum Refinery Engineering With increase in the molecular weight of aromatic present in kerosene, its smoking tendency Decreases Increases Remains same Is unpredictable Decreases Increases Remains same Is unpredictable ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Name the endothermic reaction out of the following: Catalytic cracking Catalytic polymerisation Dehydrogeneration of naphthene to produce aromatic Hydrocracking Catalytic cracking Catalytic polymerisation Dehydrogeneration of naphthene to produce aromatic Hydrocracking ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Iso-octane is used as a reference substance in the definition of octane number and it is assigned an octane number value of 100. Iso-octance is chemically known as α-methyl naphthalene 2-2-4 tri methyl pentane Tetra methyl ethylene 1, 3 butadiene α-methyl naphthalene 2-2-4 tri methyl pentane Tetra methyl ethylene 1, 3 butadiene ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Octane number of n-heptane is assumed to be ∞ 0 100 70 ∞ 0 100 70 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Though increased pressure has a retarding effect on cracking reaction, yet in actual process, a positive pressure of 10-15 kgf/cm² is maintained during cracking mainly to Increase the yield of light distillates Enhance the octane number of gasoline Suppress coke formation Reduce gum content in gasoline Increase the yield of light distillates Enhance the octane number of gasoline Suppress coke formation Reduce gum content in gasoline ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Operating temperature and pressure in catalytic reforming is about 50 - 75 kgf/cm² & 600 - 800°C 1-5 Kgf/cm² & 200°C 5-10 kgf/cm² & 150 - 250°C 15-45 Kgf/cm² & 450-550°C 50 - 75 kgf/cm² & 600 - 800°C 1-5 Kgf/cm² & 200°C 5-10 kgf/cm² & 150 - 250°C 15-45 Kgf/cm² & 450-550°C ANSWER DOWNLOAD EXAMIANS APP
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