Petroleum Refinery Engineering Which of the following additives improves the cetane number of diesel? Amyl nitrate Ethyl mercaptan Tetra ethyl lead Napthenic acid Amyl nitrate Ethyl mercaptan Tetra ethyl lead Napthenic acid ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Thermofer catalytic cracking process is a __________ process. Non-catalytic Fluidised bed Moving bed Fixed bed Non-catalytic Fluidised bed Moving bed Fixed bed ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Boiling range of motor gasoline is an indication of the Vapour locking tendency Rate of acceleration Case of starting All of these Vapour locking tendency Rate of acceleration Case of starting All of these ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following hydrocarbons of same carbon atoms has minimum smoking tendency? Aromatics Naphthenes Paraffins Iso-paraffins Aromatics Naphthenes Paraffins Iso-paraffins ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Waxy crudes are treated with chemical additives mainly to Depress its pour point Precipitate wax Remove wax Dissolve wax Depress its pour point Precipitate wax Remove wax Dissolve wax ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Higher pressure in the reforming reactor Increases coke formation Produces high octane number gasoline Increases the rate of reaction None of these Increases coke formation Produces high octane number gasoline Increases the rate of reaction None of these ANSWER DOWNLOAD EXAMIANS APP
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