Petroleum Refinery Engineering Petroleum coke is commercially produced by the __________ process. Visbreaking Fluid catalytic cracking Delayed coking Hydrocracking Visbreaking Fluid catalytic cracking Delayed coking Hydrocracking ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Paraffins are desirable in lubricating oil, as it has got high Smoke point Pour point Viscosity Viscosity index Smoke point Pour point Viscosity Viscosity index ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Waxy crudes are treated with chemical additives mainly to Remove wax Depress its pour point Precipitate wax Dissolve wax Remove wax Depress its pour point Precipitate wax Dissolve wax ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Tetra-ethyl lead is added in gasoline to Reduce gum formation Reduce the pour point Increase its smoke point Increase its octane number Reduce gum formation Reduce the pour point Increase its smoke point Increase its octane number ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Catalyst used in isomerisation process is H₂SO₄ H₃PO₄ HF AlCl3 H₂SO₄ H₃PO₄ HF AlCl3 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following processes in oil refinery does not employ 'cracking'? Coking Pyrolysis Visbreaking None of these Coking Pyrolysis Visbreaking None of these ANSWER DOWNLOAD EXAMIANS APP
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