Petroleum Refinery Engineering Dearomatisation of kerosene (by liquid sulphur dioxide extraction) is done to Improve its oxidation stability None of these Increase its smoke point Decrease the breathing loss Improve its oxidation stability None of these Increase its smoke point Decrease the breathing loss ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Antioxidants are added in petrol to Prevent icing of the carburettor Prevent the lead build up in engines Impart colour to it, for easy identification Minimise the gum formation Prevent icing of the carburettor Prevent the lead build up in engines Impart colour to it, for easy identification Minimise the gum formation ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Name the endothermic reaction out of the following: Catalytic cracking Hydrocracking Catalytic polymerisation Dehydrogeneration of naphthene to produce aromatic Catalytic cracking Hydrocracking Catalytic polymerisation Dehydrogeneration of naphthene to produce aromatic ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Molecular weight of crude oil is in the range of 230-250 600-850 100-120 450-550 230-250 600-850 100-120 450-550 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering The pressure (kg/cm² ) and temperature (°C) maintained in electrical desalters for crude oil are respectively 10 and 120 50 and 250 1 and 200 10 and 300 10 and 120 50 and 250 1 and 200 10 and 300 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Pressure & temperature maintained in catalytic cracking is about 30atm & 200°C 50atm. & 750°C 2atm & 500°C 10atm & 500°C 30atm & 200°C 50atm. & 750°C 2atm & 500°C 10atm & 500°C ANSWER DOWNLOAD EXAMIANS APP
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