Maximum sulphur percentage in low sulphur heavy stock (LSHS) furnace oil is about_________________?

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Which of the following does not require preheating during storage in the storage tank as well as during atomisation through burners ?

A. PCM B. Tar C. Light diesel oil D. Low viscosity furnace oil...

Pick out the wrong statement about the smoking tendency of various hydrocarbon constituents of kerosene ?

A. Smoking tendency of hydrocarbons increases in the order: paraffins → isoparaffins → naphthenes → aromatics B. Smoking tendency of paraffins increases with decrease in its molecular weight C. Smoking tendency of naphthenes decreases with its increasing molecular weight & also on addition of double bond D. Smoking tendency of aromatics decreases with increase in … Pick out the wrong statement about the smoking tendency of various hydrocarbon constituents of kerosene ?Read More...

Octane number (unleaded) of reformed gasoline may be upto ________________?

A. 60 B. 70 C. 80 D. 90...

Which of the following is an additive used for improving the cetane number of diesel ?

A. Tetraethyl lead B. Tetramethyllead C. Ethyl nitrate or acetone D. None of these...

Naphtha yield in straight run distillation of crude oil may be about _______________ percent?

A. 2 B. 6 C. 12 D. 18...