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 Gum formation Coking Discoloration Thermal cracking Gum formation Coking Discoloration Thermal cracking ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Diesel index.(an alternative index for expressing the quality of diesel) is Determined by using a test engine Not related to aniline point Equal to cetane number plus 3 All of these Determined by using a test engine Not related to aniline point Equal to cetane number plus 3 All of these ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Pick out the correct statement about catalytic polymerisation. In H₂SO₄ polymerisation, H₃PO₄ is always used with 2% steam to prevent meta & ortho H₃PO₄ formation, which are inactive Neither A nor B Both A & B H₂SO₄ polymerisation process gives gasoline rich in unsaturates In H₂SO₄ polymerisation, H₃PO₄ is always used with 2% steam to prevent meta & ortho H₃PO₄ formation, which are inactive Neither A nor B Both A & B H₂SO₄ polymerisation process gives gasoline rich in unsaturates ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following is desirable in diesel and kerosene but is undersirable in gasoline? Naphthenic acid Aromatics Paraffins Mercaptans Naphthenic acid Aromatics Paraffins Mercaptans ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Aniline point of the diesel is a measure of its __________ content. Naphthene Paraffin Aromatic Olefin Naphthene Paraffin Aromatic Olefin ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following has the minimum °API gravity of all? Furnace oil Petrol Kerosene Diesel Furnace oil Petrol Kerosene Diesel ANSWER DOWNLOAD EXAMIANS APP