Master of Science in Technology in AE B1 Sem 4 Chassis & Body Engineering Assignment question by Prof. Ganesh Prasad Answer All the following, All questions carry equal marks 1.Explain the concept of aerodynamic drag for the vehicle system in motion? 2.What is wind tunnel? What is the purpose of this tunnel to automotive engineering? 3.With a neat sketch explain the different types of car bodies which are used in practice? 4.List and explain the different types of vehicle body materials used for the construction.