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 At low pressure, the yield of lighter hydrocarbons are more Increased residence time results in the decreased severity of cracking Greater depth of cracking gives lower octane number gasoline Moderate changes in operating temperature does not change the depth of cracking At low pressure, the yield of lighter hydrocarbons are more Increased residence time results in the decreased severity of cracking ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Catalyst used in the catalytic cracking is Silica-alumina Vanadium pentoxide Silica gel Nickel Silica-alumina Vanadium pentoxide Silica gel Nickel ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Gasoline extracted from natural gas (by compression and cooling) is called the __________ gasoline. Unleaded Polymer Straight run Casing head Unleaded Polymer Straight run Casing head ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Octane number (unleaded) of reformed gasoline may be upto 70 90 80 60 70 90 80 60 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering The condesate obtained on compression of wet natural gas is termed as Liquid natural gas Natural gasoline Liquefied natural gasoline None of these Liquid natural gas Natural gasoline Liquefied natural gasoline None of these ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following categories of gasoline has the highest lead susceptibility? Straight run gasoline Catalytical cracked gasoline Platinum reformed gasoline Polymer gasoline Straight run gasoline Catalytical cracked gasoline Platinum reformed gasoline Polymer gasoline ANSWER DOWNLOAD EXAMIANS APP
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