Petroleum Refinery Engineering 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 Both A & B Neither A nor B Molecular weight Aromatics content Both A & B Neither A nor B Molecular weight Aromatics content ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Asphalts are Readily oxidisable and form carbonaceous sludge All of these . Low molecular weight & low boiling point compounds present in petroleum Desirable in catalytic cracking feedstock, because they produce coke Readily oxidisable and form carbonaceous sludge All of these . Low molecular weight & low boiling point compounds present in petroleum Desirable in catalytic cracking feedstock, because they produce coke ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Flash point of an oil is determined by the Conradson apparatus Pensky Martens apparatus Ramsbottom apparatus Saybolt viscometer Conradson apparatus Pensky Martens apparatus Ramsbottom apparatus Saybolt viscometer ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Tetra-ethyl lead is added in gasoline to Increase its octane number Reduce the pour point Increase its smoke point Reduce gum formation Increase its octane number Reduce the pour point Increase its smoke point Reduce gum formation ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering The proper arrangement of the petroleum fractions in order of their boiling points is Petrol > lubricating oil > diesel > LPG Lubricating oil > diesel > petrol > LPG Petrol > diesel > LPG > lubricating oil Lubricating oil > petrol > diesel > LPG Petrol > lubricating oil > diesel > LPG Lubricating oil > diesel > petrol > LPG Petrol > diesel > LPG > lubricating oil Lubricating oil > petrol > diesel > LPG ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Mercaptans is represented as (where R and R' are alkyl groups) R-S-R' R-S-H R-S-R R-COOH R-S-R' R-S-H R-S-R R-COOH ANSWER DOWNLOAD EXAMIANS APP
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