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Calorific Value and Efficiency of a Fuel

Arrange the f...

Question

Arrange the following in the ascending order of their calorific values.

a. Petrol

b. Wood

c. Diesel

d. Soft coal

a<b<c<d

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b<d<c<a

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d<c<b<a

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c<b<d<a

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Solution

The correct option is B
b<d<c<a

Calorific value of petrol is 47300 KJ/kg

Calorific value of wood is 17000 KJ/kg

Calorific value of diesel is 45500 KJ/kg

Calorific value of soft coal is 23000 KJ/kg

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