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. Aromatics Olefins None of these N-paraffins Aromatics Olefins None of these N-paraffins ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Raw Kerosene has a smoke point of 15 mm. After it is subjected to dearomatisation by liquid SO₂ extraction (Edeleanu process), its smoke point may become __________ mm. 10 100 25 5 10 100 25 5 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Presence of predominantly large quantity of aromatics (polynuclear) is not desirable in aviation fuel, because it has High self-ingnition temperature Low viscosity index All of these High pour point and low smoke point High self-ingnition temperature Low viscosity index All of these High pour point and low smoke point ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Visbreaking process is used mainly for making High cetane diesel High octane gasoline Smoke free kerosene Fuel oil High cetane diesel High octane gasoline Smoke free kerosene Fuel oil ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Feed for reforming is generally Naphtha or straight run gasoline Reduced crude Atmospheric gas oil Vacuum gas oil Naphtha or straight run gasoline Reduced crude Atmospheric gas oil Vacuum gas oil ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering With increase in density, the viscosity of petroleum products Decreases Increases Remains same Either A or B Decreases Increases Remains same Either A or B ANSWER DOWNLOAD EXAMIANS APP
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