Petroleum Refinery Engineering Liquefied petroleum Gas (LPG) used for the household cooking comprises mainly of Methane & ethane Methane & carbon monoxide Propane & butane Butane & ethane Methane & ethane Methane & carbon monoxide Propane & butane Butane & ethane 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 Suppress coke formation Reduce gum content in gasoline Enhance the octane number of gasoline Increase the yield of light distillates Suppress coke formation Reduce gum content in gasoline ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Hydrofining is the most recent and effective method for the Improvement of viscosity index Removal of sulphur Improvement of smoke point Reduction of breathing loss Improvement of viscosity index Removal of sulphur Improvement of smoke point Reduction of breathing loss ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Crude oils containing more than __________ kg of total salts (expressed in terms of NaCl) per thousand barrel is called a 'salty crude'. 5 1 25 15 5 1 25 15 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Hydrogen percentage (by weight) in crude petroleum may be about 5 35 25 15 5 35 25 15 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Viscosity index of a lubricating oil None of these Should be low Is the measure of its flash point Is the measure of variation of viscosity with temperature None of these Should be low Is the measure of its flash point Is the measure of variation of viscosity with temperature ANSWER DOWNLOAD EXAMIANS APP
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