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 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 Thermal cracking Discoloration Gum formation Coking Thermal cracking Discoloration Gum formation ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Most widely used solvent for dewaxing is Sodium plumbite Methyl-ethyl-ketone (MEK) Naphtha Petroleum ether Sodium plumbite Methyl-ethyl-ketone (MEK) Naphtha Petroleum ether ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Crude oil is subjected to vacuum distillation in the last stage, because High purity products can be obtained thereby High boiling point products like heavy fuel oil & lubricating oils are heat sensitive and may decompose Lighter/low boiling products are prone to thermal decomposition None of these High purity products can be obtained thereby High boiling point products like heavy fuel oil & lubricating oils are heat sensitive and may decompose Lighter/low boiling products are prone to thermal decomposition None of these ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Pressure & temperature maintained in catalytic cracking is about 50atm. & 750°C 2atm & 500°C 30atm & 200°C 10atm & 500°C 50atm. & 750°C 2atm & 500°C 30atm & 200°C 10atm & 500°C ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Cetane number of a diesel fuel is the measure of its Smoke point Oxidation stability Ignition delay Viscosity Smoke point Oxidation stability Ignition delay Viscosity ANSWER DOWNLOAD EXAMIANS APP
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