Presence of sulphur in gasoline Decreases gum formation Helps during stabilisation Increases lead susceptibility Leads to corrosion TRUE ANSWER : ? YOUR ANSWER : ?
In hydrofining catalytic desulphurisation process for sweetening of petroleum products, use of hydrogen Neither A nor B Enhances the desulphurisation process Minimises coke formation Both A & B TRUE ANSWER : ? YOUR ANSWER : ?
Sour crude means the __________ bearing crude. Wax Asphalt Sulphur compounds Nitrogen compounds TRUE ANSWER : ? YOUR ANSWER : ?
Reid vapour pressure of gasoline is the measure of its Pour point Vapour locking tendency Cloud point Carbon residue TRUE ANSWER : ? YOUR ANSWER : ?
Deoiling of wax is done by its Solvent extraction Heating Both B & C Cooling TRUE ANSWER : ? YOUR ANSWER : ?
Most commonly used crude heater before the fractionation tower in a refinery is the __________ heater. None of these Electric immersion Pipestill Steam coil TRUE ANSWER : ? YOUR ANSWER : ?
H/C ratio (by weight) for the same number of carbon atoms is the highest in case of Naphthenes Aromatics Olefins Paraffins TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following constituents present in petroleum is responsible for ash formation? Oxygen compounds Sulphur compounds Nitrogen compounds Organometallic compounds TRUE ANSWER : ? YOUR ANSWER : ?
Pour point of a petrofuel is Multiple of 5°F None of these 5°C below the temperature at which oil ceases to flow Multiple of 3°F TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following theories of origin of petroleum does not explain the presence of nitrogen & sulphur compounds in crude oil? Modern theory Engler theory Carbide theory All of these TRUE ANSWER : ? YOUR ANSWER : ?