Q.

Flash point of fuel oil is

• AMinimum 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
• BTemperature at which it solidifies or congeals
• CTemperature at which it catches fire without external aid
• DIndicated by 90% distillation temperature, i.e. when 90% of sample oil has distilled off