Question

Kavita wrote two sentences about calorific value of fuels.
(i)The amount of heat energy required by $1kg$ of a fuel to reach its ignition temperature for the complete combustion is called its calorific value.
(ii)It is expressed in a unit called kilojoule per kg $\left(kJ/kg\right)$.
Choose the correct sentence(s).

• A. (i)
• B. (ii)
• C. Both (i) and (ii)
• D. None of these

Answer 1

The correct option is B (ii)

calorific value
The amount of energy produced by the complete combustion of a material or fuel. Measured in units of energy per amount of material, e.g. kJ/kg.
The amount of energy available from an item of food when digested, mostly from carbohydrates and fats.