Petroleum Refinery Engineering Ethyl mercaptan is added to the Doctor negative LPG for facilitating the detection of its leakage (by bad odour) to the extent of about __________ ppm. 50 5000 1 10000 50 5000 1 10000 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Octane numbers of motor gasoline used in India and America are respectively 83 & 100 94 & 87 94 & 100 87 & 94 83 & 100 94 & 87 94 & 100 87 & 94 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering A typical yield of diesel in straight run distillation of crude oil may be about __________ percent. 8 35 18 28 8 35 18 28 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Presence of sulphur in gasoline Decreases gum formation Helps during stabilisation Increases lead susceptibility Leads to corrosion Decreases gum formation Helps during stabilisation Increases lead susceptibility Leads to corrosion ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Waxy crudes are treated with chemical additives mainly to Remove wax Dissolve wax Precipitate wax Depress its pour point Remove wax Dissolve wax Precipitate wax Depress its pour point ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following gasolines (unleaded) has the least octane number? Polymer gasoline Catalytically cracked gasoline Straight run gasoline Catalytically reformed gasoline Polymer gasoline Catalytically cracked gasoline Straight run gasoline Catalytically reformed gasoline ANSWER DOWNLOAD EXAMIANS APP
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