Petroleum Refinery Engineering Asphalts are Desirable in catalytic cracking feedstock, because they produce coke All of these . Low molecular weight & low boiling point compounds present in petroleum Readily oxidisable and form carbonaceous sludge Desirable in catalytic cracking feedstock, because they produce coke All of these . Low molecular weight & low boiling point compounds present in petroleum Readily oxidisable and form carbonaceous sludge ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Crude oil is pumped by a __________ pump. Screw Gear Centrifugal Reciprocating Screw Gear Centrifugal Reciprocating ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which is the most desirable component of a good quality kerosene? N-paraffins Aromatics Naphthenes I-paraffins N-paraffins Aromatics Naphthenes I-paraffins ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Fuel oil is subjected to visbreaking to reduce its Pour point Viscosity Pressure drop on pumping All of these Pour point Viscosity Pressure drop on pumping All of these ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering The most widely used crude topping column in refineries is the __________ column. Bubble-cap Packed bed Fluidised bed Perforated plate Bubble-cap Packed bed Fluidised bed Perforated plate 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 hydrocarbons increases in the order : paraffins → isoparaffins → naphthenes → aromatics Smoking tendency of aromatics decreases with increase in its molecular weight 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 hydrocarbons increases in the order : paraffins → isoparaffins → naphthenes → aromatics Smoking tendency of aromatics decreases with increase in its molecular weight ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS