Question

CALORIFICVALUE OF COW DUNG CAKES IS 7000Kj . how much cow dung cakes are required to produce heat energy of 35000kj ? .what is caloriffic value of petrol
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Answer 1

Calorific value of Cow dung --> 7000KJ

Let the no. of cow dungs required be x

Therefore,

x = 35000 / 7000

= 5

.

Therefore 5 cow dungs are required to produce 35000 heat energy.

Calorific value of petrol is 45000KJ.

Hope it helps u!!