Petroleum Refinery Engineering Choose the correct statement regarding thermal cracking. Moderate changes in operating temperature does not change the depth of cracking Increased residence time results in the decreased severity of cracking At low pressure, the yield of lighter hydrocarbons are more Greater depth of cracking gives lower octane number gasoline Moderate changes in operating temperature does not change the depth of cracking Increased residence time results in the decreased severity of cracking At low pressure, the yield of lighter hydrocarbons are more Greater depth of cracking gives lower octane number gasoline ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following processes consumes hydrogen? Visbreaking Fluid catalytic cracking None of these Propane deasphalting Visbreaking Fluid catalytic cracking None of these Propane deasphalting ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which one is used to determine the colour of petroleum products? Saybolt chromometer None of these Colour comparator Cleveland apparatus Saybolt chromometer None of these Colour comparator Cleveland apparatus ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering The characterisation factor of a crude oil is calculated as 12.5. It means that; it is Intermediate Naphthenic None of these Paraffinic Intermediate Naphthenic None of these Paraffinic ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Reid vapour pressure of gasoline is the measure of its Vapour locking tendency Pour point Cloud point Carbon residue Vapour locking tendency Pour point Cloud point Carbon residue ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering The colour of gasoline is an indication of its Lead susceptibility Gum forming tendency & thoroughness of refining Octane number None of these Lead susceptibility Gum forming tendency & thoroughness of refining Octane number None of these ANSWER DOWNLOAD EXAMIANS APP
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