Q. Pick out the additive property of a lube oil out of following.

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Q. Catalyst used in catalytic reforming is

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Q. Tanks used for the storage of petroleum products (which are inflammable) should be painted with a __________ paint.

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Q. Cetane number of diesel used in trucks may be about

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Q. __________ test is done to find out the softening point of bitumen.

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Q. __________ determination is not a very significant and important test for gasoline.

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Q. Which of the following has the lowest viscosity (at a given temperature) of all?

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Q. Which of the following fractions of a crude oil will have the maximum gravity API (i.e. °API) ?

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Q. For gasoline, the flash point (<50°C) is determined by the

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Q. Flash point of atmospheric distillation residue is determined by __________ apparates.

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Q. Maximum sulphur percentage in low sulphur heavy stock (LSHS) furnace oil is about

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Q. Pour point and freezing point is equal for

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Q. Most commonly used crude heater before the fractionation tower in a refinery is the __________ heater.

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Q. Viscosity index of a lubricating oil

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Q. Visbreaking process is used mainly for making

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Q. Operating condition in the electrical dehydrators for crude oil is about

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Q. Crude oil is pumped by a __________ pump.

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Q. Petrolatum is

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Q. Electrical desalting of crude oil removes the __________ impurities.

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Q. An upper limit of oil content is limited to about __________ percent for achieving efficient and satisfactory level of wax sweating.

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