Friday, 5 July 2013

Volatility of diesel fuel oil is ______.

(a)    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
(b)    temperature at which it solidifies or congeals
(c)    it catches fire without external aid
(d)    indicated by 90% distillation temperature, i.e., when 90% of sample oil has distilled off
(e)    temperature at which it flows easily.

Ans: d


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