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Doctors Medicines MCQs Q&A

  1. Minimum temperature to which oil is heated in order to give off inflammable vapours in sufficient quantity to ignite momentarily when brought in contact with a flame
  2. Temperature at which it solidifies or congeals
  3. It catches fire without external aid
  4. Indicated by 90% distillation temperature i.e., when 90% of sample oil has distilled off
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1 Answers

Answer: Option 2

Pour point of fuel oil is the Temperature at which it solidifies or congeals. Pour Point is the temperature at which a liquid becomes semisolid and loses its flowing characteristics. As the paraffin content is high in crude oil, thus it has a high Pour Point.

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