Petroleum Refinery Engineering Octane number (unleaded) of gasoline produced by isomerisation of butane may be about 55 45 70 90 55 45 70 90 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Catalytic cracking compared to thermal cracking of residue of vacuum distillation of crude oil Higher sulphur content in the product Lower octane number of petrol Gives higher yield of petrol Higher gum forming material in petrol Higher sulphur content in the product Lower octane number of petrol Gives higher yield of petrol Higher gum forming material in petrol ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Solvent used for dewaxing of petroleum products are Both B & C Furfural Propane Methyl ethyl ketone (MEK) Both B & C Furfural Propane Methyl ethyl ketone (MEK) ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Operating condition in the electrical dehydrators for crude oil is about 6.5 kgf/Cm² & 95°C 1 atm. & 110 °C 20 kgf/cm² & 110°C 50 atm. and 150°C 6.5 kgf/Cm² & 95°C 1 atm. & 110 °C 20 kgf/cm² & 110°C 50 atm. and 150°C 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 Discoloration Thermal cracking Coking Gum formation Discoloration Thermal cracking Coking Gum formation ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Viscosity index of a lubricating oil Should be low None of these Is the measure of variation of viscosity with temperature Is the measure of its flash point Should be low None of these Is the measure of variation of viscosity with temperature Is the measure of its flash point ANSWER DOWNLOAD EXAMIANS APP
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