Petroleum Refinery Engineering Phenols are added in gasoline to Increase its pour point Act as an antioxidant Reduce its viscosity Improve the octane number Increase its pour point Act as an antioxidant Reduce its viscosity Improve the octane number 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 Moderate changes in operating temperature does not change the depth of cracking At low pressure, the yield of lighter hydrocarbons are more Increased residence time results in the decreased severity of cracking Greater depth of cracking gives lower octane number gasoline Moderate changes in operating temperature does not change the depth of cracking At low pressure, the yield of lighter hydrocarbons are more ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Cetane number of high speed diesel must be? 75 95 30 45 75 95 30 45 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Petroleum is believed to have originated from __________ sources. Both A & B Neither A nor B Vegetable Animal Both A & B Neither A nor B Vegetable Animal ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following is the easiest to crack? Paraffins Olefins Aromatics Naphthenes Paraffins Olefins Aromatics Naphthenes ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Catalyst used in alkylation process is Alumina Silica gel Nickel Sulphuric acid Alumina Silica gel Nickel Sulphuric acid ANSWER DOWNLOAD EXAMIANS APP
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