Petroleum Refinery Engineering Choose the correct statement regarding thermal 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 Moderate changes in operating temperature does not change the depth of cracking ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Thermofer catalytic cracking process is a __________ process. Moving bed Fixed bed Fluidised bed Non-catalytic Moving bed Fixed bed Fluidised bed Non-catalytic ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Flash point of atmospheric distillation residue is determined by __________ apparates. Cleveland (open cup type) None of these Pensky-Martens (closed cup type) Abel Cleveland (open cup type) None of these Pensky-Martens (closed cup type) Abel ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following has the lowest viscosity (at a given temperature) of all? Lube oil Kerosene Naphtha Diesel Lube oil Kerosene Naphtha Diesel ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Fuel oil is subjected to visbreaking to reduce its Pour point Viscosity All of these Pressure drop on pumping Pour point Viscosity All of these Pressure drop on pumping ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Refractive index of a petrofuel which is the ratio of velocity of light in air to its velocity in the petrofuel gives an indication if its Both A & B Neither A nor B Molecular weight Aromatics content Both A & B Neither A nor B Molecular weight Aromatics content ANSWER DOWNLOAD EXAMIANS APP
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