0.5 kg of steam contained in piston -cylinder device as shown below undergoes expansion from state 1 to state 2. Initial specific internal energy of steam is 2709.9 kJkg The paddle wheel is a device tumed 6270 revolutions with an average of turning moment against the steam is 1955SN mm. A beating device supplies 80 kJ of energy to the steam. Meanwhile, The paddle wheel work and heat source together moves out 0.85 m diameter frictionless piston for a distance of 145 m against a constant pressure of 1.5bar. Determine the following Network of the system and state weather increase or decrease 1) Final internal energy of the steam 1) State and explain, the law of thermodynamics used to find final internal energy of the steam 0.5 kg ar Steam E paddle Piston U=2709.9 kJ/kg Q =80 kJ

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Forming and Shaping

Metal forming is a category of metalworking process through which the material can be given the desired shape and size by subjecting it to plastic deformation, where the component undergoes bulk deformation process upon application of loads. Unlike the shearing and machining process, the material does not undergo up to a failure point as indicated in the stress-strain curve. Hence, the stresses induced during the forming process are greater than yield strength but less than the failure strength of the material. The process does not lead to the loss of material, so it can be said to be an economical process. During forming, the material is subjected to tensile forces, compressive forces, bending, and shearing loading conditions. The material should possess the property of ductility to undergo the forming process.