Petroleum Refinery Engineering Increase in the specific gravity of petroleum products indicates Decrease in paraffin content Higher H/C ratio Increase in aromatic content Increase in thermal energy per unit weight Decrease in paraffin content Higher H/C ratio Increase in aromatic content Increase in thermal energy per unit weight ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Higher boiling fractions like atmospheric residue is distilled under vacuum at low temperature because at high temperature, there is a tendency of the predominance of Coking Discoloration Thermal cracking Gum formation Coking Discoloration Thermal cracking Gum formation ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Liquefied petroleum Gas (LPG) used for the household cooking comprises mainly of Methane & ethane Butane & ethane Methane & carbon monoxide Propane & butane Methane & ethane Butane & ethane Methane & carbon monoxide Propane & butane ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Vacuum maintained in the vacuum distillation tower of the crude distillation plant is about __________ mm Hg (absolute). 43961 350-400 30-80 150-250 43961 350-400 30-80 150-250 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Petrolatum is Same as petroleum ether None of these A mixture of microcrystalline wax in viscous hydrocarbon liquids Petroleum coke Same as petroleum ether None of these A mixture of microcrystalline wax in viscous hydrocarbon liquids Petroleum coke ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Octane number (unleaded) of gasoline produced by isomerisation of butane may be about 55 45 90 70 55 45 90 70 ANSWER DOWNLOAD EXAMIANS APP
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