Products drawn from the top to bottom of the crude oil distillation column has progressively increasing C/H ratio All of these Boiling points Molecular weight TRUE ANSWER : ? YOUR ANSWER : ?
In catalytic alkylation, higher iso-butane to olefin ratio gives Neither A nor B Higher yield Low final boiling point product Both A & B TRUE ANSWER : ? YOUR ANSWER : ?
A multigrade lubricating oil means an oil having high Aniline point Viscosity index Flash point Viscosity TRUE ANSWER : ? YOUR ANSWER : ?
Hydrogen percentage (by weight) in crude petroleum may be about 15 35 5 25 TRUE ANSWER : ? YOUR ANSWER : ?
Carbon percentage (by weight) in crude petroleum may be about 95 65 75 85 TRUE ANSWER : ? YOUR ANSWER : ?
Refractive index of a petrofuel which is the ratio of velocity of light in air to its velocity in the petrofuel gives an indication if its Molecular weight Neither A nor B Aromatics content Both A & B TRUE ANSWER : ? YOUR ANSWER : ?
__________ converts n-paraffins to i-paraffins. Polymerisation Alkylation Isomerisation None of these TRUE ANSWER : ? YOUR ANSWER : ?
Presence of sulphur in gasoline Helps during stabilisation Leads to corrosion Increases lead susceptibility Decreases gum formation TRUE ANSWER : ? YOUR ANSWER : ?
Gum formation in stored gasoline is mainly due to the Alkylation of unsaturates Oxidation & polymerisation of unsaturates Presence of sulphur Higher aromatic content TRUE ANSWER : ? YOUR ANSWER : ?