Question

ideal fuel have moderate igenation temperature

Answer 1

Ideal fuels have moderate ignition temperature because if the ignition temperature is high then the calorific value declines and if thetemperature is very low then the fuel burns very slowly releasing insufficient amount of heat and light for any purpose

Answer 2

Because if the ignition temperature is high then the calorific value declines and if the temperature is very low than the fuel burns very slowly releasing insufficient amount of t=heat and light for any purpose