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 At low pressure, the yield of lighter hydrocarbons are more Moderate changes in operating temperature does not change the depth of cracking Increased residence time results in the decreased severity of cracking Greater depth of cracking gives lower octane number gasoline At low pressure, the yield of lighter hydrocarbons are more Moderate changes in operating temperature does not change the depth of cracking ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following petroleum products contain minimum sulphur? Naphtha LSHS Kerosene Furnace oil Naphtha LSHS Kerosene Furnace oil ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Octane number of n-heptane is assumed to be 100 0 70 ∞ 100 0 70 ∞ ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering A good lubricant should have high Pour point Viscosity index None of these Volatility Pour point Viscosity index None of these Volatility ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Road grade bitumen is produced from vacuum residue by its Pyrolysis Aeration Steam reforming Hydrogenation Pyrolysis Aeration Steam reforming Hydrogenation ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Removal of light fractions from crude oil is called its Stabilisation Visbreaking Dehydration Sweetening Stabilisation Visbreaking Dehydration Sweetening ANSWER DOWNLOAD EXAMIANS APP