Petroleum Refinery Engineering Tetraethyl lead is added to the petrol to increase its octane number, because its octane number is Round about 100 Less than 25 More than 100 Between 50 and 100 Round about 100 Less than 25 More than 100 Between 50 and 100 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering A typical yield of kerosene in straight run distillation of crude oil may be about __________ percent. 10 18 4 26 10 18 4 26 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Pick out the correct statement about catalytic polymerisation. In H₂SO₄ polymerisation, H₃PO₄ is always used with 2% steam to prevent meta & ortho H₃PO₄ formation, which are inactive Neither A nor B Both A & 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 Neither A nor B Both A & B H₂SO₄ polymerisation process gives gasoline rich in unsaturates ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Naphthenic acid is represented by CnHsub>2n+2O₂ (n ≥ 6) CnH2n+2O₂ CnHsub>2n-2O₂ CnHsub>2n+6O₂ (n ≤ 6) CnHsub>2n+2O₂ (n ≥ 6) CnH2n+2O₂ CnHsub>2n-2O₂ CnHsub>2n+6O₂ (n ≤ 6) ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Higher pressure in the reforming reactor Increases the rate of reaction Increases coke formation Produces high octane number gasoline None of these Increases the rate of reaction Increases coke formation Produces high octane number gasoline None of these ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Presence of predominantly large quantity of aromatics (polynuclear) is not desirable in aviation fuel, because it has All of these High self-ingnition temperature High pour point and low smoke point Low viscosity index All of these High self-ingnition temperature High pour point and low smoke point Low viscosity index ANSWER DOWNLOAD EXAMIANS APP
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