Petroleum Refinery Engineering Which of the following additives improves the cetane number of diesel? Amyl nitrate Napthenic acid Tetra ethyl lead Ethyl mercaptan Amyl nitrate Napthenic acid Tetra ethyl lead Ethyl mercaptan ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Mercaptans are added to liquefied petroleum gas (LPG) to Reduce its cost Increase its calorific value Narrow down its explosion limit Assist in checking its leakage from cylinder Reduce its cost Increase its calorific value Narrow down its explosion limit Assist in checking its leakage from cylinder ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Mercaptans are Undesirable in petrol, as they reduce its octane number Low boiling sulphur compounds Added in LPG cylinders to detect gas leakage by its smell All of these Undesirable in petrol, as they reduce its octane number Low boiling sulphur compounds Added in LPG cylinders to detect gas leakage by its smell All of these ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering In hydrofining catalytic desulphurisation process for sweetening of petroleum products, use of hydrogen Neither A nor B Enhances the desulphurisation process Minimises coke formation Both A & B Neither A nor B Enhances the desulphurisation process Minimises coke formation Both A & B ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Products drawn from the top to bottom of the crude oil distillation column has progressively increasing All of these Molecular weight Boiling points C/H ratio All of these Molecular weight Boiling points C/H ratio ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering For gasoline, the flash point ( None of these Saybolt chromometer Pensky-Marten's apparatus Abel apparatus None of these Saybolt chromometer Pensky-Marten's apparatus Abel apparatus ANSWER DOWNLOAD EXAMIANS APP
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