Question

true or false
3. The efficiency of the fuel is judged by its calorific value.​

Answer 1

Answer:

True.

Explanation:

Fuel efficiency is measured as the amount of heat that 1 kg of fuel (any fuel) produces on combustion. ... This is known as the calorific value of the fuel. The unit of measurement of fuel efficiency is kilojoules per kg, i.e. kJ/kg.

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Answer 2

false

it is judged bu kilojoules