Petroleum Refinery Engineering Which of the following processes in oil refinery does not employ 'cracking'? None of these Coking Pyrolysis Visbreaking None of these Coking Pyrolysis Visbreaking ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Deoiling of wax is done by its Both B & C Heating Solvent extraction Cooling Both B & C Heating Solvent extraction Cooling ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Polymerisation Causes olefins to combine with each other Produces i-octane from cracked gases containing i-butane and butene Causes aromatics to combine with each other Is aimed at producing lubricating oil Causes olefins to combine with each other Produces i-octane from cracked gases containing i-butane and butene Causes aromatics to combine with each other Is aimed at producing lubricating oil ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering An upper limit of oil content is limited to about __________ percent for achieving efficient and satisfactory level of wax sweating. 40 60 15 5 40 60 15 5 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Catalyst used in isomerisation process is H₂SO₄ AlCl3 H₃PO₄ HF H₂SO₄ AlCl3 H₃PO₄ HF ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Choose the correct statement regarding thermal cracking. At low pressure, the yield of lighter hydrocarbons are more Greater depth of cracking gives lower octane number gasoline Moderate changes in operating temperature does not change the depth of cracking Increased residence time results in the decreased severity of cracking At low pressure, the yield of lighter hydrocarbons are more Greater depth of cracking gives lower octane number gasoline Moderate changes in operating temperature does not change the depth of cracking Increased residence time results in the decreased severity of cracking ANSWER DOWNLOAD EXAMIANS APP
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