Petroleum Refinery Engineering Detergent is added as an additive in engine lubricating oil to Keep contaminants in suspension Reduce deposit formation Prevent rusting Increase oxidation stability Keep contaminants in suspension Reduce deposit formation Prevent rusting Increase oxidation stability ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Isomerisation converts the __________ tot-paraffins. Naphthenes Olefins Paraffins None of these Naphthenes Olefins Paraffins None of these ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering The most commonly used feed stock for the reforming reactor is Straight run gasdine Heavy fuel oil Casing head gasoline Residuum Straight run gasdine Heavy fuel oil Casing head gasoline Residuum ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Mercaptans are Undesirable in petrol, as they reduce its octane number Low boiling sulphur compounds Added in LPG cylinders to detect gas leakage by its smell All of these Undesirable in petrol, as they reduce its octane number Low boiling sulphur compounds Added in LPG cylinders to detect gas leakage by its smell All of these ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering The most widely used crude topping column in refineries is the __________ column. Bubble-cap Perforated plate Fluidised bed Packed bed Bubble-cap Perforated plate Fluidised bed Packed bed ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering True vapour pressure of a petroleum fraction __________ Reid vapour pressure. May be either more or less than Is same as Is more than Is less than May be either more or less than Is same as Is more than Is less than ANSWER DOWNLOAD EXAMIANS APP
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