| Question: Pour point of fuel oil is the | 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 | Answer» b. temperature at which it solidifies or congeals |  
| Note: | The above multiple-choice question is for all general and Competitive Exams in India. |