Question

what problem will arise if a fuel has an ignition temperature lower than the average room temperature name the type of combustion that will occur in such a case

Answer 1

In this case when the fuel has ignition temp below average room temp the fuel will start burning. This type of combustion is called spontaneous combustion

Hope it will help you

Answer 2

Answer: If a fuel has an ignition temperature lower than the average room temperature then it catches fire rapidly without application of external heat. For example white phosphorus is stored under water and sodium is stored under kerosene to avoid spontaneous combustion.