Q. Liquefied petroleum Gas (LPG) used for the household cooking comprises mainly of

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Q. Which of the following has the highest gum forming tendency in gosoline ?

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Q. Higher viscosity of lubricating oil usually signifies

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Q. Aniline point test of an oil qualitatively indicates the __________ content of an oil.

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Q. Which of the following processes in oil refinery does not employ 'cracking' ?

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Q. Bottom product of atmospheric pressure crude oil distillation column is termed as

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Q. Liquefied Petroleum Gas (LPG) in domestic use cylinders is in the liquid form. The density of LPG in liquid form is about __________ of that of water (i.e. 1 gm/c.c).

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Q. Ethyl mercaptan is added to the Doctor negative LPG for facilitating the detection of its leakage (by bad odour) to the extent of about __________ ppm.

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Q. CₙH₂ₙ is the general formula for

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Q. Natural gas recovered along with crude oil from oil wells is called wet natural gas which has a higher __________ compared to the dry natural gas.

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Q. Pick out the wrong statement.

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Q. Waxy crudes are treated with chemical additives mainly to

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Q. __________ chloride present in crude petroleum as impurity is the most prolific producer of HCl during distillation.

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Q. Molecular weight of petrol may be about

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Q. Which of the following factors does not govern the mechanism of petroleum formation from organic sources ?

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Q. Vacuum maintained in the vacuum distillation tower of the crude distillation plant is about __________ mm Hg (absolute).

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Q. __________ treatment is done for appreciable improvement in viscosity index of lubricating oil.

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Q. A multigrade lubricating oil means an oil having high

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Q. Most widely used solvent for dewaxing is

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Q. Liquefied Petroleum Gas (LPG) is mainly a mixture of

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