Petroleum Refinery Engineering Mercaptans are added to liquefied petroleum gas (LPG) to Assist in checking its leakage from cylinder Narrow down its explosion limit Reduce its cost Increase its calorific value Assist in checking its leakage from cylinder Narrow down its explosion limit Reduce its cost Increase its calorific value ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Petroleum liquid fuels having flash point greater than 66°C is considered as safe during storage and handling. Which of the following has flash point > 66°C ? Heavy fuel oil Kerosene Petrol Naphtha Heavy fuel oil Kerosene Petrol Naphtha ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Smoke point of a test sample of kerosene is found to be 15 mm. On removal of __________ from it, the smoke point rises to 25 mm. N-paraffins Aromatics None of these Olefins N-paraffins Aromatics None of these Olefins 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 Both A & B Minimises coke formation Neither A nor B Enhances the desulphurisation process Both A & B Minimises coke formation ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering The colour of gasoline is an indication of its Lead susceptibility Octane number None of these Gum forming tendency & thoroughness of refining Lead susceptibility Octane number None of these Gum forming tendency & thoroughness of refining ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Crude oil is transported inland from oil field to refineries, mainly by the Rail tankers Underground pipelines None of these Road tankers Rail tankers Underground pipelines None of these Road tankers ANSWER DOWNLOAD EXAMIANS APP