Petroleum Refinery Engineering Which of the following processes is used for the production of petroleum coke? Visbreaking Reforming Cracking Stabilisation Visbreaking Reforming Cracking Stabilisation ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Vacuum maintained in the vacuum distillation column in oil refinery is in the range of about __________ mm Hg absolute. 250 to 350 1 to 5 450 to 500 30 to 80 250 to 350 1 to 5 450 to 500 30 to 80 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering An upper limit of oil content is limited to about __________ percent for achieving efficient and satisfactory level of wax sweating. 40 60 5 15 40 60 5 15 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Choose the correct statement regarding thermal cracking. Moderate changes in operating temperature does not change the depth of cracking At low pressure, the yield of lighter hydrocarbons are more Greater depth of cracking gives lower octane number gasoline Increased residence time results in the decreased severity of cracking Moderate changes in operating temperature does not change the depth of cracking At low pressure, the yield of lighter hydrocarbons are more Greater depth of cracking gives lower octane number gasoline Increased residence time results in the decreased severity of cracking ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering The colour of gasoline is an indication of its Lead susceptibility Gum forming tendency & thoroughness of refining None of these Octane number Lead susceptibility Gum forming tendency & thoroughness of refining None of these Octane number ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Extractor temperature is maintained at -20°C in Edeleanu process to reduce the __________ of kerosene. Naphthenes Paraffins Aromatics Smoke point Naphthenes Paraffins Aromatics Smoke point ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS