Chemical Engineering :: Petroleum Refinery Engineering
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Lane and Garton classification of petroleum is based on its
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With increase in the molecular weight of aromatic present in kerosene, its smoking tendency
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Salt content (measured as sodium chloride) in electrically desalted crude oil comes down to a level of about __________ ptb (pounds per thousand barrel).
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Clay treatment is used to remove
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Water separometer index (modified) (WSIM) of a petrofuel is the measure of its
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Tetraethyl lead is added to the petrol to increase its octane number, because its octane number is
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Pressure & temperature maintained in catalytic cracking is about
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Pick out the wrong statement.
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Char value of Kerosene is the amount of charred oil deposition on the wick obtained after burning it in a standard wick lamp at a standard rate for 24 hours. Char value of a good quality kerosene should be less than __________ mg/kg of kerosene.
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Highest quality bitumen is produced from the __________ crude oil.
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A.
Pensky-Marten apparatus is used for determining flash points above 50°C.
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B.
Characterisation factor of paraffinic crude oil is more than 12.
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C.
Abel apparatus is used for determining flash points below 50°C.
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D.
An oil having high susceptibility to change in viscosity with temperature changes, has a high viscosity index.
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