Question

the term which is used to express the efficiency of a fuel ___________????

Answer 1

Efficiency of a fuel is determined on the basis of their calorific value.

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Answer 2

Hey dear that's ur answer.!

↪Fuel efficiency is measured as the amount of heat that 1 kg of fuel produces on combustion. This is known as the calorific value of the fuel. The term used to express the efficiency of a fuel is calorific value.↩