Petroleum Refinery Engineering Smoke point of a test sample of kerosene is found to be 15 mm. On removal of __________ from it, the smoke point rises to 25 mm. N-paraffins Olefins Aromatics None of these N-paraffins Olefins Aromatics None of these ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Phenols are added in gasoline to Improve the octane number Reduce its viscosity Act as an antioxidant Increase its pour point Improve the octane number Reduce its viscosity Act as an antioxidant Increase its pour point ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Deoiling of wax is done by its Both B & C Cooling Solvent extraction Heating Both B & C Cooling Solvent extraction Heating ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Liquefied petroleum Gas (LPG) used for the household cooking comprises mainly of Propane & butane Methane & ethane Butane & ethane Methane & carbon monoxide Propane & butane Methane & ethane Butane & ethane Methane & carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Higher viscosity of lubricating oil usually signifies Lower flash point and fire point Lower Reid vapour pressure Higher acid number Higher flash point and fire point Lower flash point and fire point Lower Reid vapour pressure Higher acid number Higher flash point and fire point ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Sour crude means the __________ bearing crude. Sulphur compounds Asphalt Nitrogen compounds Wax Sulphur compounds Asphalt Nitrogen compounds Wax ANSWER DOWNLOAD EXAMIANS APP