Petroleum Refinery Engineering Water separometer index (modified) (WSIM) of a petrofuel is the measure of its Water absorbing capacity from atmosphere Water separation characteristics Emulsification tendency Water content Water absorbing capacity from atmosphere Water separation characteristics Emulsification tendency Water content ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Choose the correct statement regarding thermal 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 Moderate changes in operating temperature does not change the depth of cracking ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following additives improves the cetane number of diesel? Ethyl mercaptan Tetra ethyl lead Napthenic acid Amyl nitrate Ethyl mercaptan Tetra ethyl lead Napthenic acid Amyl nitrate ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Asphalts are . Low molecular weight & low boiling point compounds present in petroleum Desirable in catalytic cracking feedstock, because they produce coke Readily oxidisable and form carbonaceous sludge All of these . Low molecular weight & low boiling point compounds present in petroleum Desirable in catalytic cracking feedstock, because they produce coke Readily oxidisable and form carbonaceous sludge All of these ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following has maximum hydrogen/carbon ratio (by weight)? Naphtha Fuel oil Gasoline Diesel Naphtha Fuel oil Gasoline Diesel ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following is desirable in diesel and kerosene but is undersirable in gasoline? Aromatics Paraffins Naphthenic acid Mercaptans Aromatics Paraffins Naphthenic acid Mercaptans ANSWER DOWNLOAD EXAMIANS APP