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 1, 3 butadiene α-methyl naphthalene Tetra methyl ethylene 2-2-4 tri methyl pentane 1, 3 butadiene α-methyl naphthalene Tetra methyl ethylene 2-2-4 tri methyl pentane ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering The order of preference for feedstock to a catalytic reformer is Virgin naphtha - coking naphtha - catalytic naphtha Catalytic naphtha - coking naphtha - virgin naphtha Coking naphtha - virgin naphtha - catalytic naphtha Virgin naphtha - catalytic naphtha - coking naphtha Virgin naphtha - coking naphtha - catalytic naphtha Catalytic naphtha - coking naphtha - virgin naphtha Coking naphtha - virgin naphtha - catalytic naphtha Virgin naphtha - catalytic naphtha - coking naphtha ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Penetration test determines the __________ of the grease. Lubricating properties (e.g. oilness) Variation in viscosity with temperature Stiffness Service temperature Lubricating properties (e.g. oilness) Variation in viscosity with temperature Stiffness Service temperature ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Highest quality bitumen is produced from the __________ crude oil. Paraffinic Naphthenic Intermediate Mixed Paraffinic Naphthenic Intermediate Mixed ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Water content in the crude oil as it comes out of oil well may be upto __________ percent. 10 5 25 2 10 5 25 2 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Gum formation in stored gasoline is mainly due to the Higher aromatic content Presence of sulphur Alkylation of unsaturates Oxidation & polymerisation of unsaturates Higher aromatic content Presence of sulphur Alkylation of unsaturates Oxidation & polymerisation of unsaturates ANSWER DOWNLOAD EXAMIANS APP
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