Petroleum Refinery Engineering Straight run petrol as compared to methyl/ethyl alcohol has Higher specific gravity Lower calorific value Higher ignition temperature Lower octane number Higher specific gravity Lower calorific value Higher ignition temperature Lower octane number ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering The most widely used crude topping column in refineries is the __________ column. Fluidised bed Perforated plate Bubble-cap Packed bed Fluidised bed Perforated plate Bubble-cap Packed bed ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following constituents present in petroleum is responsible for ash formation? Nitrogen compounds Oxygen compounds Sulphur compounds Organometallic compounds Nitrogen compounds Oxygen compounds Sulphur compounds Organometallic compounds ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Octane number (unleaded) of gasoline produced by isomerisation of butane may be about 55 45 90 70 55 45 90 70 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 High pour point and low smoke point Low viscosity index All of these High self-ingnition temperature High pour point and low smoke point Low viscosity index All of these ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering CnH2n is the general formula for Naphthenes Both A & B Olefins Neither A nor B Naphthenes Both A & B Olefins Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
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