Petroleum Refinery Engineering Hydrogen content in petroleum products varies from 12 to 15% (by weight). As a result the difference between gross and net heating value of petroleum fuels varies in the range of __________ kcal/kg. 600-750 250-350 2000-2500 1000-1500 600-750 250-350 2000-2500 1000-1500 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Polymerisation Causes olefins to combine with each other Is aimed at producing lubricating oil Produces i-octane from cracked gases containing i-butane and butene Causes aromatics to combine with each other Causes olefins to combine with each other Is aimed at producing lubricating oil Produces i-octane from cracked gases containing i-butane and butene Causes aromatics to combine with each other ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Phenols are added in gasoline to Increase its pour point Reduce its viscosity Improve the octane number Act as an antioxidant Increase its pour point Reduce its viscosity Improve the octane number Act as an antioxidant ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Vacuum maintained in the vacuum distillation tower of the crude distillation plant is about __________ mm Hg (absolute). 350-400 30-80 43961 150-250 350-400 30-80 43961 150-250 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Cracking is None of these Favoured at very low temperature An endothermic reaction An exothermic reaction None of these Favoured at very low temperature An endothermic reaction An exothermic reaction ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Mercaptans are added to liquefied petroleum gas (LPG) to Increase its calorific value Narrow down its explosion limit Assist in checking its leakage from cylinder Reduce its cost Increase its calorific value Narrow down its explosion limit Assist in checking its leakage from cylinder Reduce its cost ANSWER DOWNLOAD EXAMIANS APP
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