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 Thermal cracking Coking Gum formation Discoloration Thermal cracking Coking Gum formation Discoloration ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Aromatics have the highes __________ of all the hydrocarbons of same carbon atoms. Viscosity Smoke point Cetane number Octane number Viscosity Smoke point Cetane number Octane number ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering In hydrofining catalytic desulphurisation process for sweetening of petroleum products, use of hydrogen Minimises coke formation Neither A nor B Enhances the desulphurisation process Both A & B Minimises coke formation Neither A nor B Enhances the desulphurisation process Both A & B ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Specific gravity of a petroleum product gives an indication of its Degree of refinement Sulphur content Ease of atomisation Hydrocarbon content type (aromatic or paraffinic) Degree of refinement Sulphur content Ease of atomisation Hydrocarbon content type (aromatic or paraffinic) ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Cetane number of high speed diesel must be? 75 45 30 95 75 45 30 95 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Phenols are added in gasoline to Improve the octane number Reduce its viscosity Act as an antioxidant Increase its pour point Improve the octane number Reduce its viscosity Act as an antioxidant Increase its pour point ANSWER DOWNLOAD EXAMIANS APP
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