Petroleum Refinery Engineering Which of the following gasolines (unleaded) has the least octane number? Catalytically cracked gasoline Straight run gasoline Polymer gasoline Catalytically reformed gasoline Catalytically cracked gasoline Straight run gasoline Polymer gasoline Catalytically reformed gasoline ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Choose the correct statement regarding thermal cracking. Increased residence time results in the decreased severity of cracking Moderate changes in operating temperature does not change the depth of cracking At low pressure, the yield of lighter hydrocarbons are more Greater depth of cracking gives lower octane number gasoline Increased residence time results in the decreased severity of cracking Moderate changes in operating temperature does not change the depth of cracking At low pressure, the yield of lighter hydrocarbons are more Greater depth of cracking gives lower octane number gasoline ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following processes consumes hydrogen? Visbreaking None of these Propane deasphalting Fluid catalytic cracking Visbreaking None of these Propane deasphalting Fluid catalytic cracking ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Presence of sulphur in gasoline Helps during stabilisation Increases lead susceptibility Leads to corrosion Decreases gum formation Helps during stabilisation Increases lead susceptibility Leads to corrosion Decreases gum formation ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Doctor's solution used for sweetening of petroleum products is Lead sulphate Sodium plumbite Sodium thiosulphate Sodium sulphite Lead sulphate Sodium plumbite Sodium thiosulphate Sodium sulphite ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering A multigrade lubricating oil means an oil having high Flash point Viscosity Aniline point Viscosity index Flash point Viscosity Aniline point Viscosity index ANSWER DOWNLOAD EXAMIANS APP
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