Petroleum Refinery Engineering 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 Discoloration Gum formation Coking Thermal cracking Discoloration Gum formation Coking Thermal cracking ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Petroleum liquid fuels having flash point greater than 66°C is considered as safe during storage and handling. Which of the following has flash point > 66°C ? Heavy fuel oil Petrol Naphtha Kerosene Heavy fuel oil Petrol Naphtha Kerosene ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Aniline point is the temperature at which Equal weight of aniline & the test sample are completely miscible Equal volume of aniline & the test sample are completely miscible Aniline vaporises Equal weight of diesel & the aniline are completely miscible Equal weight of aniline & the test sample are completely miscible Equal volume of aniline & the test sample are completely miscible Aniline vaporises Equal weight of diesel & the aniline are completely miscible ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Smoke volatility index is equal to smoke point plus 0.42 x(% distilled at 204°C) 10 mm. approximately 5 mm 0.84 x (% distilled at 204°C) 0.42 x(% distilled at 204°C) 10 mm. approximately 5 mm 0.84 x (% distilled at 204°C) ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Furfural solvent extraction is used for upgrading (by dissolving aromatics) Wax Cracking feedstock Lubricating oils Naphtha Wax Cracking feedstock Lubricating oils Naphtha ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following theories of origin of petroleum does not explain the presence of nitrogen & sulphur compounds in crude oil? Modern theory Carbide theory Engler theory All of these Modern theory Carbide theory Engler theory All of these ANSWER DOWNLOAD EXAMIANS APP
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