Petroleum Refinery Engineering Most commonly used crude heater before the fractionation tower in a refinery is the __________ heater. Steam coil Electric immersion Pipestill None of these Steam coil Electric immersion Pipestill None of these ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Tetra-ethyl lead is added in gasoline to Increase its smoke point Reduce the pour point Increase its octane number Reduce gum formation Increase its smoke point Reduce the pour point Increase its octane number Reduce gum formation 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 Octane number (unleaded) of reformed gasoline may be upto 60 80 90 70 60 80 90 70 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following has the maximum °API gravity of all? Diesel Furnace oil Petrol Kerosene Diesel Furnace oil Petrol Kerosene ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which is the most undesirable component in kerosene? I-paraffins Aromatics N-paraffins Naphthenes I-paraffins Aromatics N-paraffins Naphthenes ANSWER DOWNLOAD EXAMIANS APP
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