India, Sept. 26 -- Someone once said, "Scientists dream great things, but engineers do them." It is valid for all the branches of engineering, especially for the field of mechanical engineering. They plan, design, and build those tools and equipment which makes the world go on a merry-go-round.

Mechanical engineering is one of the most extensivebranches of engineering that involves research, design, development, construction, and testing of various tools, machine and devices. They work on all stages of product development and maintenance. Some of the responsibilities of a mechanical engineer are analysing the problem, design, develop, and test the prototypes with computer-aided designs and models. The knowledge doesn't come easy as it ta...