Petroleum Refinery Engineering Tetraethyl lead is added to the petrol to increase its octane number, because its octane number is Round about 100 Less than 25 Between 50 and 100 More than 100 Round about 100 Less than 25 Between 50 and 100 More than 100 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Asphalts are Readily oxidisable and form carbonaceous sludge . Low molecular weight & low boiling point compounds present in petroleum Desirable in catalytic cracking feedstock, because they produce coke All of these Readily oxidisable and form carbonaceous sludge . Low molecular weight & low boiling point compounds present in petroleum Desirable in catalytic cracking feedstock, because they produce coke All of these ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Octane number of n-heptane is assumed to be 100 70 ∞ 0 100 70 ∞ 0 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering The characterisation factor of a crude oil is calculated as 12.5. It means that; it is Paraffinic None of these Naphthenic Intermediate Paraffinic None of these Naphthenic Intermediate ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Fuel oil is subjected to visbreaking to reduce its Pressure drop on pumping Pour point All of these Viscosity Pressure drop on pumping Pour point All of these Viscosity ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Most commonly used crude heater before the fractionation tower in a refinery is the __________ heater. None of these Steam coil Electric immersion Pipestill None of these Steam coil Electric immersion Pipestill ANSWER DOWNLOAD EXAMIANS APP
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