Petroleum Refinery Engineering Tetraethyl lead is added to the petrol to increase its octane number, because its octane number is Round about 100 More than 100 Between 50 and 100 Less than 25 Round about 100 More than 100 Between 50 and 100 Less than 25 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Paraffins are desirable in lubricating oil, as it has got high Pour point Viscosity Smoke point Viscosity index Pour point Viscosity Smoke point Viscosity index ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Both asphalt and wax are produced by __________ base crude oils. Mixed Naphthenic Asphalt Paraffin Mixed Naphthenic Asphalt Paraffin ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Dearomatisation of kerosene (by liquid sulphur dioxide extraction) is done to None of these Improve its oxidation stability Decrease the breathing loss Increase its smoke point None of these Improve its oxidation stability Decrease the breathing loss Increase its smoke point ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Feedstock for polymerisation is Cracked gases rich in C₂ & C₄ olefins None of these Naphtha Low boiling aromatics Cracked gases rich in C₂ & C₄ olefins None of these Naphtha Low boiling aromatics ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering The condesate obtained on compression of wet natural gas is termed as Natural gasoline None of these Liquid natural gas Liquefied natural gasoline Natural gasoline None of these Liquid natural gas Liquefied natural gasoline ANSWER DOWNLOAD EXAMIANS APP
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