Petroleum Refinery Engineering Which of the following constituents present in petroleum is responsible for ash formation? Nitrogen compounds Oxygen compounds Sulphur compounds Organometallic compounds Nitrogen compounds Oxygen compounds Sulphur compounds Organometallic compounds ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Tetraethyl lead is added to the petrol to increase its octane number, because its octane number is More than 100 Less than 25 Round about 100 Between 50 and 100 More than 100 Less than 25 Round about 100 Between 50 and 100 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering H/C ratio (by weight) for the same number of carbon atoms is the highest in case of Naphthenes Aromatics Olefins Paraffins Naphthenes Aromatics Olefins Paraffins ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Glycol added to petrol acts as a/an __________ agent. Anti-knocking Anti-icing Dewaxing Anti-gum forming Anti-knocking Anti-icing Dewaxing Anti-gum forming ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Naphthenic acid is a/an __________ compound. Oxygen Sulphur Nitrogen None of these Oxygen Sulphur Nitrogen None of these ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering An upper limit of oil content is limited to about __________ percent for achieving efficient and satisfactory level of wax sweating. 5 15 40 60 5 15 40 60 ANSWER DOWNLOAD EXAMIANS APP