Petroleum Refinery Engineering __________ treatment is done for appreciable improvement in viscosity index of lubricating oil. Acid Clay Solvent extraction Alkali Acid Clay Solvent extraction Alkali ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering During electrical desalting of crude oil, the electrical conductivity of a mixture of crude oil and water (which ranges between 3 to 8% water) __________ with increase in the amount of water. Increases Decreases Remains unchanged Decreases linearly Increases Decreases Remains unchanged Decreases linearly ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering An upper limit of oil content is limited to about __________ percent for achieving efficient and satisfactory level of wax sweating. 60 5 40 15 60 5 40 15 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Operating temperature and pressure in catalytic reforming is about 50 - 75 kgf/cm² & 600 - 800°C 1-5 Kgf/cm² & 200°C 15-45 Kgf/cm² & 450-550°C 5-10 kgf/cm² & 150 - 250°C 50 - 75 kgf/cm² & 600 - 800°C 1-5 Kgf/cm² & 200°C 15-45 Kgf/cm² & 450-550°C 5-10 kgf/cm² & 150 - 250°C ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Pick out the correct statement about catalytic polymerisation. H₂SO₄ polymerisation process gives gasoline rich in unsaturates In H₂SO₄ polymerisation, H₃PO₄ is always used with 2% steam to prevent meta & ortho H₃PO₄ formation, which are inactive Both A & B Neither A nor B H₂SO₄ polymerisation process gives gasoline rich in unsaturates In H₂SO₄ polymerisation, H₃PO₄ is always used with 2% steam to prevent meta & ortho H₃PO₄ formation, which are inactive Both A & B Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering High aniline point of a petrofuel (say diesel) indicates that Its ignition quality is very poor It has a very low diesel index It is highly paraffinic in nature It is highly aromatic in nature Its ignition quality is very poor It has a very low diesel index It is highly paraffinic in nature It is highly aromatic in nature ANSWER DOWNLOAD EXAMIANS APP
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