Petroleum Refinery Engineering Presence of predominantly large quantity of aromatics (polynuclear) is not desirable in aviation fuel, because it has High self-ingnition temperature All of these Low viscosity index High pour point and low smoke point High self-ingnition temperature All of these Low viscosity index High pour point and low smoke point ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following is the easiest to crack? Naphthenes Aromatics Olefins Paraffins Naphthenes Aromatics Olefins Paraffins ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Straight run petrol as compared to methyl/ethyl alcohol has Lower calorific value Higher specific gravity Higher ignition temperature Lower octane number Lower calorific value Higher specific gravity Higher ignition temperature Lower octane number ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Higher pressure in the reforming reactor Increases the rate of reaction Produces high octane number gasoline None of these Increases coke formation Increases the rate of reaction Produces high octane number gasoline None of these Increases coke formation ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following has the lowest cetane number? I-paraffins Olefins Aromatics Naphthene I-paraffins Olefins Aromatics Naphthene ANSWER DOWNLOAD EXAMIANS APP
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 N-paraffins None of these Aromatics Olefins N-paraffins None of these ANSWER DOWNLOAD EXAMIANS APP
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