Petroleum Refinery Engineering Crude oil is subjected to vacuum distillation in the last stage, because High purity products can be obtained thereby Lighter/low boiling products are prone to thermal decomposition None of these High boiling point products like heavy fuel oil & lubricating oils are heat sensitive and may decompose High purity products can be obtained thereby Lighter/low boiling products are prone to thermal decomposition None of these High boiling point products like heavy fuel oil & lubricating oils are heat sensitive and may decompose ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Penetration test determines the __________ of the grease. Service temperature Lubricating properties (e.g. oilness) Stiffness Variation in viscosity with temperature Service temperature Lubricating properties (e.g. oilness) Stiffness Variation in viscosity with temperature ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Carbon/hydrogen ratio (by weight) is maximum (out of following) for Light gas oil Kerosene Heavy fuel oil Gasoline Light gas oil Kerosene Heavy fuel oil Gasoline ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering The octane number of aviation gasoline may be >100 87 97 79 >100 87 97 79 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Natural gas recovered along with crude oil from oil wells is called wet natural gas which has a higher __________ compared to the dry natural gas. Quantity of propane Quantity of butane Unsaturated hydrocarbon content Calorific value Quantity of propane Quantity of butane Unsaturated hydrocarbon content 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 Heavy distillates Intermediate distillates Residues Light ends Heavy distillates Intermediate distillates Residues Light ends ANSWER DOWNLOAD EXAMIANS APP
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