Chemical Engineering - Petroleum Refinery Engineering - Discussion


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

[A]. Flash point and acid value.
[B]. Aniline point.
[C]. Dielectric strength.
[D]. Copper strip corrosion test.

Answer: Option B


No answer description available for this question.

Ashutosh said: (Jul 23, 2012)  
The aniline point of an oil is defined as the minimum temperature at which equal volumes of aniline (C6H5NH2) and the desired oil are completely miscible.

The value gives an indication of the aromatic content of the oil, since aniline is an aromatic compound which is dissolved on heating by the aromatics in the oil. The greater the aniline point, the lower the aromatics in the oil. A higher aniline point also indicates a higher proportion of paraffin.

Flynn said: (Apr 22, 2013)  
Transformer oil is a highly refined oil that is used to protect transformer against abrupt and prolonged heating, so it also has role as an insulator to the transformer.

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