Petroleum Refinery Engineering Waxes present in petroleum products Decrease their viscosity Crystallise out at low temperature Are not soluble in them Can be separated out by distillation Decrease their viscosity Crystallise out at low temperature Are not soluble in them Can be separated out by distillation ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following has the lowest cetane number? Olefins Aromatics I-paraffins Naphthene Olefins Aromatics I-paraffins Naphthene ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering In case of liquid petrofuels, momentary combustion is observed at its Preheating temperature corresponding to viscosity of 25 centistokes Fire point Flash point Flame temperature Preheating temperature corresponding to viscosity of 25 centistokes Fire point Flash point Flame temperature ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Straight run petrol as compared to methyl/ethyl alcohol has Lower calorific value Higher ignition temperature Higher specific gravity Lower octane number Lower calorific value Higher ignition temperature Higher specific gravity Lower octane number ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following petroleum products contain minimum sulphur? Furnace oil Naphtha Kerosene LSHS Furnace oil Naphtha Kerosene LSHS ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Visbreaking process is used mainly for making Smoke free kerosene High octane gasoline High cetane diesel Fuel oil Smoke free kerosene High octane gasoline High cetane diesel Fuel oil ANSWER DOWNLOAD EXAMIANS APP
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