WHAT IS MECHANICAL ENGINEERING
It is the oldest branch of engineering.Mechanical engineers research, develop, design, manufacture and test tools,engines, machines, and other mechanical devices. They work on power-producing machines such as electricity-producing generators, internal combustion engines, steam and gas turbines, and jet and rocket engines. They also develop power using machines such as refrigeration and air-conditioning equipment, robots used in manufacturing, machine tools, materials handling systems, and industrial production equipment.