Petroleum Refinery Engineering Which parameter is used for the grading of paraffin waxes? Specific gravity Penetration number Melting point Viscosity Specific gravity Penetration number Melting point Viscosity ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Octane number (unleaded) of gasoline produced by isomerisation of butane may be about 55 90 70 45 55 90 70 45 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which one is preferred for aircraft engine? Low viscosity index lube oil None of these High freezing point aviation fuel High viscosity index lube oil Low viscosity index lube oil None of these High freezing point aviation fuel High viscosity index lube oil ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering 95% (by volume) of LPG at 760 mm Hg pressure will evaporate at __________ °C. 55 -40 2 30 55 -40 2 30 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering The best method of determining sulphur in crude oil is by the __________ method. Bomb calorimeter Junkar's calorimeter Duma Kjeldah Bomb calorimeter Junkar's calorimeter Duma Kjeldah 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
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