Q#4: A) What is ther modynamic and why study of Thermodynamics is important for Mechanical Engineering students? B) Calculate the work done (W) when heat (Q) supplied to a system is by means of hot water from an engine with temperature difference of 48+(Your registration last two digits) °C and 1.5 kg and change in internal energies AU (U2 – U) is 55 Joules. Note: Cp for water is 4100 Joules per kilogram-kelvin. reg no 05

Explain system, control volume and control surface with a diagram.

Discuss the concepts of perpetual-motion machines.

15.16. Files & More (F&M), a manufacturer of office equipment, is introducing a new product, the BUNGEE desk chair, made from elastic webbing that provides both comfort and support. The materials that go into the chair are shown below.     a. Construct a product structure diagram that reflects how the product is assembled.     b. Convert the product structure diagram into a multilevel indented bill of material.     c. F&M is trying to decide how much of the chair to assemble for the customer prior to shipping. Recommend a preassembly strategy that would allow easy assembly for the customer, and document it with a revised multilevel indented bill of material.