Petroleum Refinery Engineering Straight run petrol as compared to methyl/ethyl alcohol has Lower octane number Higher ignition temperature Lower calorific value Higher specific gravity Lower octane number Higher ignition temperature Lower calorific value Higher specific gravity ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Mercapsol and Unisol processes are meant for the Dewaxing Removal of mercaptans Decoloration Dearomatisation of kerosene Dewaxing Removal of mercaptans Decoloration Dearomatisation of kerosene ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Crude topping column operates at __________ pressure. Vacuum 3 atm Atmospheric 10 atm Vacuum 3 atm Atmospheric 10 atm ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Choose the correct statement regarding thermal cracking. Greater depth of cracking gives lower octane number gasoline Moderate changes in operating temperature does not change the depth of cracking Increased residence time results in the decreased severity of cracking At low pressure, the yield of lighter hydrocarbons are more Greater depth of cracking gives lower octane number gasoline Moderate changes in operating temperature does not change the depth of cracking Increased residence time results in the decreased severity of cracking At low pressure, the yield of lighter hydrocarbons are more ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Stabilisation of gasoline (petrol) means Increasing its vapour pressure Removal of dissolved gases from it Improving its lead susceptibility Increasing its oxidation stability Increasing its vapour pressure Removal of dissolved gases from it Improving its lead susceptibility Increasing its oxidation stability ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Presence of sulphur in gasoline Leads to corrosion Decreases gum formation Increases lead susceptibility Helps during stabilisation Leads to corrosion Decreases gum formation Increases lead susceptibility Helps during stabilisation ANSWER DOWNLOAD EXAMIANS APP
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