Petroleum Refinery Engineering Which of the following additives improves the cetane number of diesel? Amyl nitrate Ethyl mercaptan Tetra ethyl lead Napthenic acid Amyl nitrate Ethyl mercaptan Tetra ethyl lead Napthenic acid ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Vacuum maintained in the vacuum distillation tower of the crude distillation plant is about __________ mm Hg (absolute). 30-80 350-400 150-250 43961 30-80 350-400 150-250 43961 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Illuminating characteristics of kerosene is expressed by its Aniline point Luminosity number Aromatic content Smoke point Aniline point Luminosity number Aromatic content Smoke point ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering The solvent used in Barisol dewaxing process is Benzol and ethylene dichloride Furfural Methyl ethyl ketone (MEK) Hexane Benzol and ethylene dichloride Furfural Methyl ethyl ketone (MEK) Hexane ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Choose the correct statement regarding thermal cracking. At low pressure, the yield of lighter hydrocarbons are more Moderate changes in operating temperature does not change the depth of cracking Greater depth of cracking gives lower octane number gasoline Increased residence time results in the decreased severity of cracking At low pressure, the yield of lighter hydrocarbons are more Moderate changes in operating temperature does not change the depth of cracking Greater depth of cracking gives lower octane number gasoline Increased residence time results in the decreased severity of cracking ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Flash point of motor gasoline may be around __________ °C. 45 10 150 100 45 10 150 100 ANSWER DOWNLOAD EXAMIANS APP
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