Q141
Open questionA multigrade lubricating oil means an oil having high
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Petroleum Refinery Engineering
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Q142
Open questionReid vapour pressure of gasoline is the measure of its
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Q143
Open questionWhich of the following has maximum hydrogen/carbon ratio (by weight)?
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Q144
Open questionWaxy crudes are treated with chemical additives mainly to
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Q145
Open questionCatalyst used in catalytic polymerisation which produces polymer gasoline is
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Q146
Open questionDiesel used in naval applications has a minimum cetane number of
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Q147
Open questionWhich of the following hydrocarbons of same carbon atoms has minimum smoking tendency?
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Q148
Open questionWhich of the following has the lowest cetane number?
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Q149
Open questionCatalyst used in the catalytic polymerisation is
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Q150
Open questionWhich parameter is used for the grading of paraffin waxes?
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Q151
Open question__________ is not an important refinery process for upgrading the quality of lubricating oil.
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Q152
Open questionSmoke 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.
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Q153
Open question__________ test is done to find out the softening point of bitumen.
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Q154
Open questionPick out the wrong statement.
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Q155
Open questionWhich is an anticing compound?
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Q156
Open questionIn the atmospheric pressure crude distillation, the content of __________ from lighter fraction to heavier ones.
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Q157
Open questionNaphthenic acid is represented by
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Q158
Open questionHydrocracking employs
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Q159
Open questionPick out the correct statement.
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Q160
Open questionSolvent used in duo-sol extraction for lube oil upgradation is a mixture of
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