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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. Temperature at which 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 1

Flash point of fuel oil is 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 The flash point is a descriptive characteristic that is used to distinguish between flammable fuels, such as petrol (gasoline in the US), and combustible fuels, such as diesel. It is also used to characterize the fire hazards of fuels

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