Petroleum Refinery Engineering The order of preference for feedstock to a catalytic reformer is Virgin naphtha - coking naphtha - catalytic naphtha Virgin naphtha - catalytic naphtha - coking naphtha Catalytic naphtha - coking naphtha - virgin naphtha Coking naphtha - virgin naphtha - catalytic naphtha Virgin naphtha - coking naphtha - catalytic naphtha Virgin naphtha - catalytic naphtha - coking naphtha Catalytic naphtha - coking naphtha - virgin naphtha Coking naphtha - virgin naphtha - catalytic naphtha 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 None of these Lighter/low boiling products are prone to thermal decomposition High boiling point products like heavy fuel oil & lubricating oils are heat sensitive and may decompose High purity products can be obtained thereby None of these Lighter/low boiling products are prone to thermal decomposition High boiling point products like heavy fuel oil & lubricating oils are heat sensitive and may decompose ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Presence of aromatics in Petrol increases its octane number Kerosene increases its smoke point All of these Diesel increases its cetane number Petrol increases its octane number Kerosene increases its smoke point All of these Diesel increases its cetane number ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Mercaptans is represented as (where R and R' are alkyl groups) R-S-H R-COOH R-S-R R-S-R' R-S-H R-COOH R-S-R R-S-R' ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Pressure & temperature maintained in catalytic cracking is about 10atm & 500°C 30atm & 200°C 50atm. & 750°C 2atm & 500°C 10atm & 500°C 30atm & 200°C 50atm. & 750°C 2atm & 500°C ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering High aniline point of a petrofuel (say diesel) indicates that It is highly paraffinic in nature It is highly aromatic in nature It has a very low diesel index Its ignition quality is very poor It is highly paraffinic in nature It is highly aromatic in nature It has a very low diesel index Its ignition quality is very poor ANSWER DOWNLOAD EXAMIANS APP
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