Petroleum Refinery Engineering Choose the correct statement regarding thermal cracking. Moderate changes in operating temperature does not change the depth of cracking Greater depth of cracking gives lower octane number gasoline At low pressure, the yield of lighter hydrocarbons are more Increased residence time results in the decreased severity of cracking Moderate changes in operating temperature does not change the depth of cracking Greater depth of cracking gives lower octane number gasoline At low pressure, the yield of lighter hydrocarbons are more Increased residence time results in the decreased severity of cracking 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 Decreases Remains same Increases Unpredictable from the data Decreases Remains same Increases Unpredictable from the data ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering The average boiling point of aviation turbine fuel is closest to that of Diesel Lubricating oils Kerosene LPG Diesel Lubricating oils Kerosene LPG ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Reforming converts Olefins into paraffins Naphthenes into aromatics Naphthenes into olefins Naphthenes into paraffin Olefins into paraffins Naphthenes into aromatics Naphthenes into olefins Naphthenes into paraffin ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Testing of the knocking characteristics of petrofuels is done in a __________ engine. Carnot Stirling Diesel CFR (Co-operative fuel research) Carnot Stirling Diesel CFR (Co-operative fuel research) ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Hydrogen content in petroleum products varies from 12 to 15% (by weight). As a result the difference between gross and net heating value of petroleum fuels varies in the range of __________ kcal/kg. 250-350 1000-1500 600-750 2000-2500 250-350 1000-1500 600-750 2000-2500 ANSWER DOWNLOAD EXAMIANS APP
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