Petroleum Refinery Engineering Deoiling of wax is done by its Both B & C Cooling Solvent extraction Heating Both B & C Cooling Solvent extraction Heating ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Pyrolysis of kerosene or natural gasoline is done to produce mainly the Diesel Stabilised gasoline Lighter paraffins Olefins and aromatics Diesel Stabilised gasoline Lighter paraffins Olefins and aromatics ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Though increased pressure has a retarding effect on cracking reaction, yet in actual process, a positive pressure of 10-15 kgf/cm² is maintained during cracking mainly to Enhance the octane number of gasoline Increase the yield of light distillates Suppress coke formation Reduce gum content in gasoline Enhance the octane number of gasoline Increase the yield of light distillates Suppress coke formation Reduce gum content in gasoline ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Straight run naphtha is converted into high octane number petrol (gasoline) by catalytic Isomerisation Reforming Cracking Polymerisation Isomerisation Reforming Cracking Polymerisation ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Solvent used in duo-sol extraction for lube oil upgradation is a mixture of Methyl ethyl ketone & glycol Propane & phenol-cresol mixture Propane & liquid sulphur dioxide Phenol & furfural Methyl ethyl ketone & glycol Propane & phenol-cresol mixture Propane & liquid sulphur dioxide Phenol & furfural ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Pick out the correct statement about catalytic polymerisation. Both A & B In H₂SO₄ polymerisation, H₃PO₄ is always used with 2% steam to prevent meta & ortho H₃PO₄ formation, which are inactive Neither A nor B H₂SO₄ polymerisation process gives gasoline rich in unsaturates Both A & B In H₂SO₄ polymerisation, H₃PO₄ is always used with 2% steam to prevent meta & ortho H₃PO₄ formation, which are inactive Neither A nor B H₂SO₄ polymerisation process gives gasoline rich in unsaturates ANSWER DOWNLOAD EXAMIANS APP
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