Engine.
Engine. An engine is a mechanical device which is design to convert one form of energy into mechanical energy. Example. · Heat engine is use to convert heat energy into mechanical energy. · Electric meter is use to convert electrical energy into mechanical energy. · Hydraulic meter is used to convert pressure fluid into some mechanical work. · Molecular motor found in living things use chemical reaction to do useful work. Part of engine. Engine is used to produce some power, there are many part of an engine bolted together, they are used to do some work in connection with each other. Cylinder block or cylinder. Cylinder block is main part of an engine in which combustion (burning of fuel) take place many other parts such as piston, connecting rods, crankshafts are bolted in it. Piston. ...