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 Electrical desalting of crude oil removes the __________ impurities. Oleophilic Both A & B Oleophobic Neither A nor B Oleophilic Both A & B Oleophobic Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Waxy crudes are treated with chemical additives mainly to Precipitate wax Dissolve wax Remove wax Depress its pour point Precipitate wax Dissolve wax Remove wax Depress its pour point ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering The general formula of naphthenes is Same as that for olefins i.e. CnH2n CnHn - 4 CnH2n - 6 (where, n ≥ 6) CnH2n + 2 Same as that for olefins i.e. CnH2n CnHn - 4 CnH2n - 6 (where, n ≥ 6) CnH2n + 2 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Choose the correct statement regarding thermal cracking. At low pressure, the yield of lighter hydrocarbons are more Greater depth of cracking gives lower octane number gasoline Moderate changes in operating temperature does not change the depth of cracking Increased residence time results in the decreased severity of cracking At low pressure, the yield of lighter hydrocarbons are more Greater depth of cracking gives lower octane number gasoline Moderate changes in operating temperature does not change the depth of cracking Increased residence time results in the decreased severity of cracking ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Naphtha yield in straight run distillation of crude oil may be about __________ percent. 6 12 18 2 6 12 18 2 ANSWER DOWNLOAD EXAMIANS APP