Petroleum Refinery Engineering Crude oil produced by Indian oil fields are predominantly __________ in nature. Asphaltic Paraffinic Naphthenic Mixed base Asphaltic Paraffinic Naphthenic Mixed base ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Choose the correct statement regarding thermal 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 Moderate changes in operating temperature does not change the depth of cracking ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Detergent is added as an additive in engine lubricating oil to Increase oxidation stability Keep contaminants in suspension Prevent rusting Reduce deposit formation Increase oxidation stability Keep contaminants in suspension Prevent rusting Reduce deposit formation ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering __________ is not an important refinery process for upgrading the quality of lubricating oil. Solvent refinning Clay treatment Deoiling Hydrotreatment Solvent refinning Clay treatment Deoiling Hydrotreatment ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Higher pressure in the reforming reactor Increases coke formation Increases the rate of reaction Produces high octane number gasoline None of these Increases coke formation Increases the rate of reaction Produces high octane number gasoline None of these ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following fractions of a crude oil will have the maximum gravity API (i.e. °API) ? Vacuum gas oil Diesel Atmospheric gas oil Gasoline Vacuum gas oil Diesel Atmospheric gas oil Gasoline ANSWER DOWNLOAD EXAMIANS APP
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