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 boiling point products like heavy fuel oil & lubricating oils are heat sensitive and may decompose High purity products can be obtained thereby None of these Lighter/low boiling products are prone to thermal decomposition High boiling point products like heavy fuel oil & lubricating oils are heat sensitive and may decompose High purity products can be obtained thereby None of these 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. 15 60 5 40 15 60 5 40 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Catalyst used in isomerisation process is H₂SO₄ H₃PO₄ AlCl3 HF H₂SO₄ H₃PO₄ AlCl3 HF ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Flash point of a liquid petroleum fuel gives an idea about its Volatility All of these Explosion hazards characteristics Nature of boiling point diagram Volatility All of these Explosion hazards characteristics Nature of boiling point diagram ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Smoke point of kerosene is the Temperature at which smoking starts Maximum height of flame (in mm) without causing smoking, when burnt in a standard lamp None of these Time after which smoking starts on burning Temperature at which smoking starts Maximum height of flame (in mm) without causing smoking, when burnt in a standard lamp None of these Time after which smoking starts on burning ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following does not require preheating during storage in the storage tank as well as during atomisation through burners? Tar PCM Light diesel oil Low viscosity furnace oil Tar PCM Light diesel oil Low viscosity furnace oil ANSWER DOWNLOAD EXAMIANS APP
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