Question

calorific value of fuel is 20000kj/kg. if rani requires 80000 kj of energy to cook food on chullaah how much wood she will require​

Answer 1

Answer:

4 kg of wood is required

Explanation:

Calorific value = 20,000 kJ/ kg

Amount of energy required = 80,000 kJ

Therefore amount of wood required

= 80,000/20,000

= 4kg

Hope this helps.

Answer 2

Answer:

4kg wood is required

Explanation:

Calorific value = 20000 KJ/KG

Amount of energy required = 80000 KJ

Amount of wood required = 80000KJ/ 20000 KJ / KG = 4KG