Petroleum Refinery Engineering Crude oil is subjected to vacuum distillation in the last stage, because High boiling point products like heavy fuel oil & lubricating oils are heat sensitive and may decompose None of these High purity products can be obtained thereby 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 None of these High purity products can be obtained thereby Lighter/low boiling products are prone to thermal decomposition ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Liquefied Petroleum Gas (LPG) in domestic use cylinders is in the liquid form. The density of LPG in liquid form is about __________ of that of water (i.e. 1 gm/c.c). One third One eighth One fourth Half One third One eighth One fourth Half ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following additives improves the cetane number of diesel? Ethyl mercaptan Napthenic acid Amyl nitrate Tetra ethyl lead Ethyl mercaptan Napthenic acid Amyl nitrate Tetra ethyl lead ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which is the most desirable component of a good quality kerosene? Aromatics Naphthenes I-paraffins N-paraffins Aromatics Naphthenes I-paraffins N-paraffins ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering The best method of determining sulphur in crude oil is by the __________ method. Junkar's calorimeter Duma Kjeldah Bomb calorimeter Junkar's calorimeter Duma Kjeldah Bomb calorimeter ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Smoke point of a test sample of kerosene is found to be 15 mm. On removal of __________ from it, the smoke point rises to 25 mm. N-paraffins None of these Aromatics Olefins N-paraffins None of these Aromatics Olefins ANSWER DOWNLOAD EXAMIANS APP
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