Q. Maximum 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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Q. Thermofer catalytic cracking process is a __________ process.

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Q. 1 centistoke is equal to __________ Redwood I seconds.

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Q. Higher boiling fractions like atmospheric residue is distilled under vacuum at low temperature because at high temperature, there is a tendency of the predominance of

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Q. Which is the most ideal feed stock for 'coking' process used for the manufacture of petroleum coke ?

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Q. Octane number (unleaded) of reformed gasoline may be upto

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Q. Aniline point is a property of the

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Q. Waxes present in petroleum products

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Q. Which of the following has the lowest cetane number ?

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Q. Ethyl mercaptan is a/an __________ compound.

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Q. Which of the following is not an important property of fuel oil/furnace oil ?

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Q. Which of the followingis desirable in petrol (gasoline) but undesirable in kerosene ?

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Q. Extractor temperature is maintained at -20°C in Edeleanu process to reduce the __________ of kerosene.

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Q. Cracking is

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Q. The most important property for a jet fuel is its

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Q. Which of the following reactions is undesirable in the production of catalytically reformed gasoline ?

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Q. Good quality kerosene should have

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Q. The most suitable solvent for deasphalting vacuum residue is

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Q. Paraffins are desirable in lubricating oil, as it has got high

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Q. Cetane number of a diesel fuel is the measure of its

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