Petroleum Refinery Engineering Pick out the undesirable property for a solvent meant for dewaxing of lube oil. Complete miscibility with oil Neither A nor B Both A & B High solubility of wax in the solvent Complete miscibility with oil Neither A nor B Both A & B High solubility of wax in the solvent ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Testing of the knocking characteristics of petrofuels is done in a __________ engine. Carnot Diesel Stirling CFR (Co-operative fuel research) Carnot Diesel Stirling CFR (Co-operative fuel research) ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Vacuum maintained in the vacuum distillation column in oil refinery is in the range of about __________ mm Hg absolute. 450 to 500 30 to 80 1 to 5 250 to 350 450 to 500 30 to 80 1 to 5 250 to 350 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering With increase in the number of carbon and hydrogen atoms in hydrocarbon molecules, the density of petroleum products Increases Unpredictable from the data Decreases Remains same Increases Unpredictable from the data Decreases Remains same ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Feedstock for polymerisation is None of these Naphtha Low boiling aromatics Cracked gases rich in C₂ & C₄ olefins None of these Naphtha Low boiling aromatics Cracked gases rich in C₂ & C₄ olefins ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering H/C ratio (by weight) for the same number of carbon atoms is the highest in case of Aromatics Naphthenes Olefins Paraffins Aromatics Naphthenes Olefins Paraffins ANSWER DOWNLOAD EXAMIANS APP
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