Saved Bookmarks
| 1. |
The graph regarding the calorific value of certain fuels is given below. Analyze the graph and answer the following Questions.a. Which fuel has the highest calorific value? Which has the lowest? b. How many kilogram of dried cow- dung is to be burnt to obtain the same amount of heat produced when 1 kg of LPG burns? c. From the graph find out the most suitable fuel for household purpose. Justify your |
|
Answer» a. Highest – Hydrogen Lowest – Cowdung (Dried) b. Energy released when 1kg LPG bums = 54000 kJ. Dried cow-dung is to be burnt to obtain the same amount of heat \(\cfrac{54000}{6000}\) = 9 kg c. Biogas, because it is a renewable energy. Comparatively high calorific value. |
|