The calorific value of a fuel is expressed in a unit called _____________

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joule per kg

kilojoule per kg

kilojoule per g

joule per litre

answer is B.

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Detailed Solution

The calorific value of a fuel is expressed in a unit called kilojoule per kg.

The amount of heat produced on burning one kilogram of fuel completely is called its calorific value.

It is given by the formula - Heat produced /Amount of fuel .

The SI unit of heat is kilojoules and that of mass is kilogram, so the unit of calorific value of a fuel is kilojoule per kg.

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