Clay treatment of petroleum products All of these Desulphurise straight run gasoline & kerosene Decolorises & stabilises cracked gasoline Adsorb arsenic from feedstock to catalytic reforming TRUE ANSWER : ? YOUR ANSWER : ?
The reservoir rock containing petroleum has High permeability High porosity Both B and C Low porosity TRUE ANSWER : ? YOUR ANSWER : ?
Older crude petroleum Gives less tar Gives more distillates Is light and better All of these TRUE ANSWER : ? YOUR ANSWER : ?
Name the endothermic reaction out of the following: Dehydrogeneration of naphthene to produce aromatic Catalytic cracking Hydrocracking Catalytic polymerisation TRUE ANSWER : ? YOUR ANSWER : ?
Gasoline yield in catalytic reforming of naphtha may be about __________ percent by weight. 50 85 98 65 TRUE ANSWER : ? YOUR ANSWER : ?
Straight run naphtha is converted into high octane number petrol (gasoline) by catalytic Isomerisation Cracking Reforming Polymerisation TRUE ANSWER : ? YOUR ANSWER : ?
Pick out the wrong statement about the smoking tendency of various hydrocarbon constituents of kerosene. 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 aromatics decreases with increase in its molecular weight Smoking tendency of naphthenes decreases with its increasing molecular weight & also on addition of double bond TRUE ANSWER : ? YOUR ANSWER : ?
Solvent used in the Udex (glycol) extraction process for removal of light aromatics from cracked naphtha is Aqueous solution (10% water) of diethylene glycol Propane Diethylene glycol Methyl ethyl ketone (MEK) TRUE ANSWER : ? YOUR ANSWER : ?
Performance number of a liquid fuel is related to its Spontaneous ignition temperature Wax content Knocking tendency Sulphur content TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following has the lowest viscosity (at a given temperature) of all? Kerosene Naphtha Diesel Lube oil TRUE ANSWER : ? YOUR ANSWER : ?