Petroleum Refinery Engineering Olefins are Present in substantially good quantity in crude petroleum None of these Unsaturated cyclic compounds (hydrocarbons) Saturated hydrocarbons Present in substantially good quantity in crude petroleum None of these Unsaturated cyclic compounds (hydrocarbons) Saturated hydrocarbons ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Vacuum maintained in the vacuum distillation tower of the crude distillation plant is about __________ mm Hg (absolute). 350-400 150-250 43961 30-80 350-400 150-250 43961 30-80 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Choose the correct statement regarding thermal cracking. 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 Greater depth of cracking gives lower octane number gasoline ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Presence of aromatics in Kerosene increases its smoke point All of these Diesel increases its cetane number Petrol increases its octane number Kerosene increases its smoke point All of these Diesel increases its cetane number Petrol increases its octane number ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Pick out the correct statement pertaining to catalytic cracking. All of these With increase in the reactor temperature, gasoline yield decreases for a given conversion Percentage conversion increases with increase in the catalyst to oil ratio With increase in the reactor pressure, octane number of gasoline decreases All of these With increase in the reactor temperature, gasoline yield decreases for a given conversion Percentage conversion increases with increase in the catalyst to oil ratio With increase in the reactor pressure, octane number of gasoline decreases ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Higher pressure in the reforming reactor Produces high octane number gasoline Increases coke formation Increases the rate of reaction None of these Produces high octane number gasoline Increases coke formation Increases the rate of reaction None of these ANSWER DOWNLOAD EXAMIANS APP
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