Petroleum Refinery Engineering Crude oil is subjected to vacuum distillation in the last stage, because High purity products can be obtained thereby Lighter/low boiling products are prone to thermal decomposition None of these High boiling point products like heavy fuel oil & lubricating oils are heat sensitive and may decompose High purity products can be obtained thereby Lighter/low boiling products are prone to thermal decomposition None of these High boiling point products like heavy fuel oil & lubricating oils are heat sensitive and may decompose ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Removal of light fractions from crude oil is called its Sweetening Dehydration Visbreaking Stabilisation Sweetening Dehydration Visbreaking Stabilisation ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Aromatics are desired constituents of Kerosene Lubricating oil Diesel Petrol Kerosene Lubricating oil Diesel Petrol ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Deoiling of wax is done by its Solvent extraction Cooling Heating Both B & C Solvent extraction Cooling Heating Both B & C ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering H/C ratio (by weight) for the same number of carbon atoms is the highest in case of Naphthenes Olefins Paraffins Aromatics Naphthenes Olefins Paraffins Aromatics ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Pyrolysis of kerosene or natural gasoline is done to produce mainly the Olefins and aromatics Diesel Stabilised gasoline Lighter paraffins Olefins and aromatics Diesel Stabilised gasoline Lighter paraffins ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS