Petroleum Refinery Engineering Dearomatisation of kerosene (by liquid sulphur dioxide extraction) is done to Increase its smoke point Decrease the breathing loss None of these Improve its oxidation stability Increase its smoke point Decrease the breathing loss None of these Improve its oxidation stability ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering __________ determination is not a very significant and important test for gasoline. Reid vapor pressure Gum & sulphur content Octane number Viscosity Reid vapor pressure Gum & sulphur content Octane number Viscosity ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Salt content (measured as sodium chloride) in electrically desalted crude oil comes down to a level of about __________ ptb (pounds per thousand barrel). 0.03 35 3 70 0.03 35 3 70 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Aromatics have the highes __________ of all the hydrocarbons of same carbon atoms. Viscosity Smoke point Octane number Cetane number Viscosity Smoke point Octane number Cetane number ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Mercaptans is represented as (where R and R' are alkyl groups) R-S-H R-S-R' R-COOH R-S-R R-S-H R-S-R' R-COOH R-S-R ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Catalytic cracking compared to thermal cracking of residue of vacuum distillation of crude oil Higher sulphur content in the product Lower octane number of petrol Gives higher yield of petrol Higher gum forming material in petrol Higher sulphur content in the product Lower octane number of petrol Gives higher yield of petrol Higher gum forming material in petrol ANSWER DOWNLOAD EXAMIANS APP
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