Chemistry Test Preparations On Petroleum Refinery Engineering Part 1

Test Preparation on Chemistry Test Preparations On Petroleum Refinery Engineering Part 1

1.

Diesel used in naval applications has a minimum cetane number of

125
235
345
465

2.

Which of the following tests is not done for transformer oil?

1Flash point and acid value.
2Aniline point.
3Dielectric strength.
4Copper strip corrosion test.

3.

Which is the most undesirable component in kerosene?

1Aromatics
2n-paraffins
3i-paraffins
4Naphthenes

4.

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

1Smoking tendency of hydrocarbons increases in the order : paraffins a+' isoparaffins a+' naphthenes a+' aromatics.
2Smoking tendency of paraffins increases with decrease in its molecular weight.
3Smoking tendency of naphthenes decreases with its increasing molecular weight & also on addition of double bond.
4Smoking tendency of aromatics decreases with increase in its molecular weight.

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