Pour point of a petrofuel is 5°C below the temperature at which oil ceases to flow Multiple of 5°F Multiple of 3°F None of these TRUE ANSWER : ? YOUR ANSWER : ?
Stabilisation of gasoline (petrol) means Improving its lead susceptibility Increasing its oxidation stability Increasing its vapour pressure Removal of dissolved gases from it TRUE ANSWER : ? YOUR ANSWER : ?
Reid vapour pressure of gasoline is the measure of its Carbon residue Pour point Vapour locking tendency Cloud point TRUE ANSWER : ? YOUR ANSWER : ?
Octane number (unleaded) of gasoline produced by isomerisation of butane may be about 45 90 55 70 TRUE ANSWER : ? YOUR ANSWER : ?
Solution used in Doctor's treatment for the removal of mercaptans is Sodium hydroxide Cupric chloride Potassium isobutyrate Sodium plumbite TRUE ANSWER : ? YOUR ANSWER : ?
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 Elimination of solvent drying facility Higher nitration temperature Lower solvent dilution ratio All of these TRUE ANSWER : ? YOUR ANSWER : ?
H/C ratio (by weight) for the same number of carbon atoms is the highest in case of Aromatics Olefins Paraffins Naphthenes TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following categories of gasoline has the highest lead susceptibility? Platinum reformed gasoline Straight run gasoline Polymer gasoline Catalytical cracked gasoline TRUE ANSWER : ? YOUR ANSWER : ?
Specific gravity of a petroleum product gives an indication of its Ease of atomisation Hydrocarbon content type (aromatic or paraffinic) Sulphur content Degree of refinement TRUE ANSWER : ? YOUR ANSWER : ?
In hydrofining catalytic desulphurisation process for sweetening of petroleum products, use of hydrogen Enhances the desulphurisation process Minimises coke formation Both A & B Neither A nor B TRUE ANSWER : ? YOUR ANSWER : ?