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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Q. Solvent deoiling process is used for separating oil and soft wax from hard wax. Methyl iso-butyl ketone and methyl ethyl ketone (MEK) are two commonly used deoiling solvents. Use of former as the deoiling solvent has the advantages of the

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Q. Main boring diameter for petroleum well is 20-30 cms in diameter, while the depth of the oil well may be about __________ kms.

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Q. Antioxidants are added in petrol to

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