Petroleum Refinery Engineering Products drawn from the top to bottom of the crude oil distillation column has progressively increasing Boiling points C/H ratio Molecular weight All of these Boiling points C/H ratio Molecular weight All of these ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Percentage of straight run gasoline in a typical crude oil may be around 18 52 6 38 18 52 6 38 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Pick out the wrong statement about the smoking tendency of various hydrocarbon constituents of kerosene. Smoking tendency of paraffins increases with decrease in its molecular weight Smoking tendency of naphthenes decreases with its increasing molecular weight & also on addition of double bond Smoking tendency of aromatics decreases with increase in its molecular weight Smoking tendency of hydrocarbons increases in the order : paraffins → isoparaffins → naphthenes → aromatics Smoking tendency of paraffins increases with decrease in its molecular weight Smoking tendency of naphthenes decreases with its increasing molecular weight & also on addition of double bond Smoking tendency of aromatics decreases with increase in its molecular weight Smoking tendency of hydrocarbons increases in the order : paraffins → isoparaffins → naphthenes → aromatics ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Mercaptans is represented as (where R and R' are alkyl groups) R-S-R' R-S-R R-S-H R-COOH R-S-R' R-S-R R-S-H R-COOH ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Operating temperature and pressure in catalytic reforming is about 1-5 Kgf/cm² & 200°C 5-10 kgf/cm² & 150 - 250°C 50 - 75 kgf/cm² & 600 - 800°C 15-45 Kgf/cm² & 450-550°C 1-5 Kgf/cm² & 200°C 5-10 kgf/cm² & 150 - 250°C 50 - 75 kgf/cm² & 600 - 800°C 15-45 Kgf/cm² & 450-550°C ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Solvent deoiling process is used for separating oil and soft wax from hard wax. Methyl iso-butyl ketone and methyl ethyl ketone (MEK) are two commonly used deoiling solvents. Use of former as the deoiling solvent has the advantages of the All of these Higher nitration temperature Elimination of solvent drying facility Lower solvent dilution ratio All of these Higher nitration temperature Elimination of solvent drying facility Lower solvent dilution ratio ANSWER DOWNLOAD EXAMIANS APP