Petroleum Refinery Engineering Removal of light fractions from crude oil is called its Sweetening Dehydration Stabilisation Visbreaking Sweetening Dehydration Stabilisation Visbreaking ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Feedstock for polymerisation is Low boiling aromatics Cracked gases rich in C₂ & C₄ olefins Naphtha None of these Low boiling aromatics Cracked gases rich in C₂ & C₄ olefins Naphtha None of these ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering 'Solvent naphtha' used mostly as a solvent in paints and perfumery is produced by the __________ of virgin naphtha into small boiling range cuts. Distillation Desulphurisation None of these Steam reforming Distillation Desulphurisation None of these Steam reforming ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Highest quality bitumen is produced from the __________ crude oil. Naphthenic Paraffinic Intermediate Mixed Naphthenic Paraffinic Intermediate Mixed ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Choose the correct statement regarding thermal cracking. Moderate changes in operating temperature does not change the depth of cracking At low pressure, the yield of lighter hydrocarbons are more Increased residence time results in the decreased severity of cracking Greater depth of cracking gives lower octane number gasoline Moderate changes in operating temperature does not change the depth of cracking At low pressure, the yield of lighter hydrocarbons are more Increased residence time results in the decreased severity of cracking Greater depth of cracking gives lower octane number gasoline ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Naphthenic acid is represented by CnHsub>2n-2O₂ CnH2n+2O₂ CnHsub>2n+6O₂ (n ≤ 6) CnHsub>2n+2O₂ (n ≥ 6) CnHsub>2n-2O₂ CnH2n+2O₂ CnHsub>2n+6O₂ (n ≤ 6) CnHsub>2n+2O₂ (n ≥ 6) ANSWER DOWNLOAD EXAMIANS APP