Petroleum Refinery Engineering Which of the following is desirable in petrol (gasoline) but undesirable in kerosene? Mercaptans Naphthenic acid Aromatics Paraffins Mercaptans Naphthenic acid Aromatics Paraffins ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Pick out the correct statement pertaining to catalytic cracking. Percentage conversion increases with increase in the catalyst to oil ratio With increase in the reactor temperature, gasoline yield decreases for a given conversion All of these With increase in the reactor pressure, octane number of gasoline decreases Percentage conversion increases with increase in the catalyst to oil ratio With increase in the reactor temperature, gasoline yield decreases for a given conversion All of these With increase in the reactor pressure, octane number of gasoline decreases ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following has the lowest cetane number? Olefins I-paraffins Aromatics Naphthene Olefins I-paraffins Aromatics Naphthene ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Octane number (unleaded) of reformed gasoline may be upto 90 80 70 60 90 80 70 60 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following constituents present in petroleum is responsible for ash formation? Oxygen compounds Sulphur compounds Nitrogen compounds Organometallic compounds Oxygen compounds Sulphur compounds Nitrogen compounds Organometallic compounds ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Presence of sulphur in gasoline Decreases gum formation Leads to corrosion Helps during stabilisation Increases lead susceptibility Decreases gum formation Leads to corrosion Helps during stabilisation Increases lead susceptibility ANSWER DOWNLOAD EXAMIANS APP
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