Question

(b) If calorific value of a fuel is 10,000 kj/kg, how much of this fuel is requiredto produce 25,000kj of energy?​

Answer 1

Answer:

2.5kg of fuel is required

Explanation:

we know calorific value means energy released by 1kg of substance.

here given calorific value is 10000kj/kg

I.e,1kg produce---------------10000kj of energy

?kg produce--------------25000kj of energy

after solving we get 2.5 kg of fuel

hope you understand this.

thank you.