Q121
Open question__________ chloride present in crude petroleum as impurity is the most prolific producer of HCl during distillation.
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Petroleum Refinery Engineering
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Q122
Open questionCrude topping column operates at __________ pressure.
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Q123
Open questionMercaptans is represented as (where R and R' are alkyl groups)
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Q124
Open questionWhich of the following is not an important property of fuel oil/furnace oil?
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Q125
Open questionMaximum viscosity of tar/PCM/fuel oil for easy and efficient atomisation in conventional burner is __________ centistokes (or 100 Redwood I seconds).
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Q126
Open questionLPG when brought to atmospheric pressure & temperature will be a
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Q127
Open questionWater separometer index (modified) (WSIM) of a petrofuel is the measure of its
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Q128
Open questionWhich of the following fractions of petroleum contains maximum sulphur?
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Q129
Open questionPick out the additive property of a lube oil out of following.
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Q130
Open questionPick out the wrong statement.
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Q131
Open questionMolecular weight of crude oil is in the range of
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Q132
Open questionOctane number of gasoline is a measure of its
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Q133
Open questionIn petroleum refining, the process used for conversion of hydrocarbons to aromatics is
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Q134
Open questionIlluminating characteristics of kerosene is expressed by its
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Q135
Open questionIncrease in the specific gravity of petroleum products indicates
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Q136
Open questionThe condesate obtained on compression of wet natural gas is termed as
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Q137
Open questionAn upper limit of oil content is limited to about __________ percent for achieving efficient and satisfactory level of wax sweating.
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Q138
Open questionThe pressure (kg/cm2) and temperature (°C) maintained in electrical desalters for crude oil are respectively
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Q139
Open questionWhich of the following has the highest gum forming tendency in gosoline?
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Q140
Open questionHighest quality bitumen is produced from the __________ crude oil.
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