Petroleum Refinery Engineering Mercaptans are added to liquefied petroleum gas (LPG) to Narrow down its explosion limit Reduce its cost Assist in checking its leakage from cylinder Increase its calorific value Narrow down its explosion limit Reduce its cost Assist in checking its leakage from cylinder Increase its calorific value ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering In a refinery petroleum crude is fractionated into gas fraction, light ends, intermediate distillates, heavy distillates, residues and by products. The group of products including gas oil, diesel oil and heavy fuel oil belongs to the fraction Light ends Residues Intermediate distillates Heavy distillates Light ends Residues Intermediate distillates Heavy distillates ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering The most important property for a jet fuel is its Calorific value Freezing point Viscosity Flash point Calorific value Freezing point Viscosity Flash point ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering The main purpose of recycling the byproduct hydrogen gas in the reformer reactor is to Obviate catalyst poisoning Maintain the reaction temperature Sustain the reactor pressure Hydrogenate the feed stock Obviate catalyst poisoning Maintain the reaction temperature Sustain the reactor pressure Hydrogenate the feed stock ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Tetraethyl lead is added to the petrol to increase its octane number, because its octane number is Less than 25 Round about 100 Between 50 and 100 More than 100 Less than 25 Round about 100 Between 50 and 100 More than 100 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering The terminology used for the bottom most product from the vacuum crude distillation unit is Reduced crude Residuum Petrolatum Residual crude Reduced crude Residuum Petrolatum Residual crude ANSWER DOWNLOAD EXAMIANS APP
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