Petroleum Refinery Engineering During electrical desalting of crude oil, the electrical conductivity of a mixture of crude oil and water (which ranges between 3 to 8% water) __________ with increase in the amount of water. Decreases Increases Decreases linearly Remains unchanged Decreases Increases Decreases linearly Remains unchanged ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Waxes present in petroleum products Can be separated out by distillation Decrease their viscosity Are not soluble in them Crystallise out at low temperature Can be separated out by distillation Decrease their viscosity Are not soluble in them Crystallise out at low temperature ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Complete removal of __________ from gasoline is done by Unisol process using caustic soda and methyl alcohol. Waxes Mercaptans Asphalt Diolefins Waxes Mercaptans Asphalt Diolefins 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 fourth Half One third One eighth One fourth Half One third One eighth ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Older crude petroleum Is light and better Gives less tar Gives more distillates All of these Is light and better Gives less tar Gives more distillates All of these ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Maximum use of petroleum coke is in Iron ore reduction Adsorption refining operation Fuel gas manufacture Carbon electrode manufacture Iron ore reduction Adsorption refining operation Fuel gas manufacture Carbon electrode manufacture ANSWER DOWNLOAD EXAMIANS APP
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