Petroleum Refinery Engineering Crude oil is subjected to vacuum distillation in the last stage, because Lighter/low boiling products are prone to thermal decomposition None of these High purity products can be obtained thereby High boiling point products like heavy fuel oil & lubricating oils are heat sensitive and may decompose Lighter/low boiling products are prone to thermal decomposition None of these High purity products can be obtained thereby High boiling point products like heavy fuel oil & lubricating oils are heat sensitive and may decompose ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following is an additive used for improving the cetane number of diesel? None of these Tetramethyllead Tetraethyl lead Ethyl nitrate or acetone None of these Tetramethyllead Tetraethyl lead Ethyl nitrate or acetone ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Solvent deoiling process is used for separating oil and soft wax from hard wax. Methyl iso-butyl ketone and methyl ethyl ketone (MEK) are two commonly used deoiling solvents. Use of former as the deoiling solvent has the advantages of the All of these Lower solvent dilution ratio Higher nitration temperature Elimination of solvent drying facility All of these Lower solvent dilution ratio Higher nitration temperature Elimination of solvent drying facility ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Diesel index is defined as (°API) x (Aniline Point, °F)/100 (°API) x (Aniline Point, °C)/100 (°API) x (100)/Aniline Point, °C (°API) x (100)/Aniline Point, °F (°API) x (Aniline Point, °F)/100 (°API) x (Aniline Point, °C)/100 (°API) x (100)/Aniline Point, °C (°API) x (100)/Aniline Point, °F ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following has the lowest viscosity (at a given temperature) of all? Naphtha Lube oil Kerosene Diesel Naphtha Lube oil Kerosene Diesel ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Straight run naphtha is converted into high octane number petrol (gasoline) by catalytic Cracking Polymerisation Reforming Isomerisation Cracking Polymerisation Reforming Isomerisation ANSWER DOWNLOAD EXAMIANS APP
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