Question

please answer this problem..this problem is frm 10th class maths ch -7 from exercise 7.1​

Answer 1

Answer:

This heat energy that fuels release is used for various purposes such as cooking, in heaters, for many industrial and manufacturing purposes. At other times we use an engine to convert this heat energy into mechanical energy. Like when we use petrol to run our cars. The oil which is used to as fuel in the engine is known as Fuel oil.