Petroleum Refinery Engineering Which of the following is an additive used for improving the cetane number of diesel? Ethyl nitrate or acetone Tetramethyllead Tetraethyl lead None of these Ethyl nitrate or acetone Tetramethyllead Tetraethyl lead None of these ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Waxes present in petroleum products Can be separated out by distillation Decrease their viscosity Are not soluble in them Crystallise out at low temperature Can be separated out by distillation Decrease their viscosity Are not soluble in them Crystallise out at low temperature ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Stabilisation of gasoline (petrol) means Increasing its oxidation stability Improving its lead susceptibility Removal of dissolved gases from it Increasing its vapour pressure Increasing its oxidation stability Improving its lead susceptibility Removal of dissolved gases from it Increasing its vapour pressure ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Both asphalt and wax are produced by __________ base crude oils. Mixed Naphthenic Asphalt Paraffin Mixed Naphthenic Asphalt Paraffin ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering The coking process normally mostly used in Indian oil refineries is the __________ coking process. Delayed Contact Fluid Flexi Delayed Contact Fluid Flexi ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Catalyst used in alkylation process is Sulphuric acid Nickel Silica gel Alumina Sulphuric acid Nickel Silica gel Alumina ANSWER DOWNLOAD EXAMIANS APP
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