Petroleum Refinery Engineering Which of the following is an additive used for improving the cetane number of diesel? None of these Tetraethyl lead Tetramethyllead Ethyl nitrate or acetone None of these Tetraethyl lead Tetramethyllead Ethyl nitrate or acetone ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Tetraethyl lead is added to the petrol to increase its octane number, because its octane number is Round about 100 Less than 25 Between 50 and 100 More than 100 Round about 100 Less than 25 Between 50 and 100 More than 100 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Complete removal of __________ from gasoline is done by Unisol process using caustic soda and methyl alcohol. Asphalt Waxes Mercaptans Diolefins Asphalt Waxes Mercaptans Diolefins ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Good quality kerosene should have Low smoke point High smoke point High aromatics content Low paraffins content Low smoke point High smoke point High aromatics content Low paraffins content ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering The main purpose of recycling the byproduct hydrogen gas in the reformer reactor is to Hydrogenate the feed stock Obviate catalyst poisoning Maintain the reaction temperature Sustain the reactor pressure Hydrogenate the feed stock Obviate catalyst poisoning Maintain the reaction temperature Sustain the reactor pressure ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following is the most widely used cracking process in oil refineries? Houdry's fixed bed process Dubbs process T.C.C. moving bed process Fluidised bed catalytic cracking process Houdry's fixed bed process Dubbs process T.C.C. moving bed process Fluidised bed catalytic cracking process ANSWER DOWNLOAD EXAMIANS APP
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