Petroleum Refinery Engineering Main boring diameter for petroleum well is 20-30 cms in diameter, while the depth of the oil well may be about __________ kms. 1.5 to 4.5 15-20 0.1 to 0.5 7.5 to 12.5 1.5 to 4.5 15-20 0.1 to 0.5 7.5 to 12.5 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering The best method of determining sulphur in crude oil is by the __________ method. Bomb calorimeter Duma Kjeldah Junkar's calorimeter Bomb calorimeter Duma Kjeldah Junkar's calorimeter ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Though increased pressure has a retarding effect on cracking reaction, yet in actual process, a positive pressure of 10-15 kgf/cm² is maintained during cracking mainly to Enhance the octane number of gasoline Increase the yield of light distillates Reduce gum content in gasoline Suppress coke formation Enhance the octane number of gasoline Increase the yield of light distillates Reduce gum content in gasoline Suppress coke formation ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Natural gas recovered along with crude oil from oil wells is called wet natural gas which has a higher __________ compared to the dry natural gas. Calorific value Unsaturated hydrocarbon content Quantity of butane Quantity of propane Calorific value Unsaturated hydrocarbon content Quantity of butane Quantity of propane ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Choose the correct statement regarding thermal cracking. Increased residence time results in the decreased severity of cracking Greater depth of cracking gives lower octane number gasoline At low pressure, the yield of lighter hydrocarbons are more Moderate changes in operating temperature does not change the depth of cracking Increased residence time results in the decreased severity of cracking Greater depth of cracking gives lower octane number gasoline At low pressure, the yield of lighter hydrocarbons are more Moderate changes in operating temperature does not change the depth of cracking ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following processes in oil refinery does not employ 'cracking'? Visbreaking None of these Pyrolysis Coking Visbreaking None of these Pyrolysis Coking ANSWER DOWNLOAD EXAMIANS APP
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