Petroleum Refinery Engineering Which parameter is used for the grading of paraffin waxes? Viscosity Melting point Specific gravity Penetration number Viscosity Melting point Specific gravity Penetration number 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 Greater depth of cracking gives lower octane number gasoline At low pressure, the yield of lighter hydrocarbons are more Increased residence time results in the decreased severity of cracking Moderate changes in operating temperature does not change the depth of cracking Greater depth of cracking gives lower octane number gasoline At low pressure, the yield of lighter hydrocarbons are more Increased residence time results in the decreased severity of cracking ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Concentration of H₂SO₄ catalyst in alkyla-tion is kept between 90-98%, because H₂SO₄ having concentration Neither A nor B Less than 90% promotes polymerisation Both A & B More than 98% promotes cracking Neither A nor B Less than 90% promotes polymerisation Both A & B More than 98% promotes cracking ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Smoke point of kerosene expresses its Burning characteristics Luminosity characteristics Aromatic content directly Lamp wick wetting characteristics Burning characteristics Luminosity characteristics Aromatic content directly Lamp wick wetting characteristics ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Octane number of gasoline produced by two stage fluidised catalytic cracking process is 80 87 92 97 80 87 92 97 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which is the most desirable component of a good quality kerosene? I-paraffins Aromatics N-paraffins Naphthenes I-paraffins Aromatics N-paraffins Naphthenes ANSWER DOWNLOAD EXAMIANS APP
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