Question

The calorific value of lignite is about _____ kJ/g.

• A. 90
• B. 78
• C. 87
• D. 8

Answer 1

The correct option is D 8

The calorific value of the fuel is also called as the heat value of the fuel. It is defined as the amount of heat released by burning of unit quantity of the fuel. The calorific value is an important characteristic of the fuel. The unit of measurement of the calorific value is the same as the energy.

plant coal have a Calorific Value in the range of 9500 kJ/kg to 27000 kJ/ kg i.e 95 to 27 KJ/gm

The calorific value ranges from 8000 kJ/kg to 15000 kJ/kg i.e 8 to 15 KJ/gm.