Question

Calorific value and ignition temperature of fuel X are 175 kj/g and 40°C respectively. These values for fuel Y are 150 kj/g and 75°C respectively. On burning, the fuel Y produces only CO2 while fuel X produces CO2 and CO. Which of the two is a better fuel? Give two reasons to support your answer.​

Answer 1

Explanation:

Fuel Y is a better fuel because

(i) it has a moderate ignition temperature of 75

o

C.

(ii) it produces no harmful gases like CO on burning.