Petroleum Refinery Engineering Crude oil is subjected to vacuum distillation in the last stage, because Lighter/low boiling products are prone to thermal decomposition High purity products can be obtained thereby High boiling point products like heavy fuel oil & lubricating oils are heat sensitive and may decompose None of these Lighter/low boiling products are prone to thermal decomposition High purity products can be obtained thereby High boiling point products like heavy fuel oil & lubricating oils are heat sensitive and may decompose None of these ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Sulphuric acid treatment of petroleum products removes the __________ materials. Asphaltic All of these Gum forming Color forming Asphaltic All of these Gum forming Color forming ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Iso-octane is used as a reference substance in the definition of octane number and it is assigned an octane number value of 100. Iso-octance is chemically known as 1, 3 butadiene α-methyl naphthalene Tetra methyl ethylene 2-2-4 tri methyl pentane 1, 3 butadiene α-methyl naphthalene Tetra methyl ethylene 2-2-4 tri methyl pentane ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering The main purpose of recycling the byproduct hydrogen gas in the reformer reactor is to Hydrogenate the feed stock 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 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Vacuum maintained in the vacuum distillation column in oil refinery is in the range of about __________ mm Hg absolute. 450 to 500 30 to 80 250 to 350 1 to 5 450 to 500 30 to 80 250 to 350 1 to 5 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering A good lubricant should have high None of these Pour point Viscosity index Volatility None of these Pour point Viscosity index Volatility ANSWER DOWNLOAD EXAMIANS APP
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