Petroleum Refinery Engineering Which one is preferred for aircraft engine? High viscosity index lube oil High freezing point aviation fuel None of these Low viscosity index lube oil High viscosity index lube oil High freezing point aviation fuel None of these Low viscosity index lube oil ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering __________ treatment is done for appreciable improvement in viscosity index of lubricating oil. Solvent extraction Alkali Acid Clay Solvent extraction Alkali Acid Clay ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following additives improves the cetane number of diesel? Ethyl mercaptan Tetra ethyl lead Napthenic acid Amyl nitrate Ethyl mercaptan Tetra ethyl lead Napthenic acid Amyl nitrate ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Octane number (unleaded) of reformed gasoline may be upto 70 90 60 80 70 90 60 80 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following is the most widely used cracking process in oil refineries? T.C.C. moving bed process Fluidised bed catalytic cracking process Houdry's fixed bed process Dubbs process T.C.C. moving bed process Fluidised bed catalytic cracking process Houdry's fixed bed process Dubbs process ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Older crude petroleum Is light and better Gives less tar All of these Gives more distillates Is light and better Gives less tar All of these Gives more distillates ANSWER DOWNLOAD EXAMIANS APP
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