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 conta
• 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