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Instructions: 1. This is a closed book and closed notes exam. To receive credit for a problem, you must show all the working/procedure. Answers without working will be given ZERO credit. 2. The use of cell phones or any other sources of communication are strictly prohibited during examinations. Doing so is considered cheating. 3. Write your name and Reg. no. clearly on the answer sheet. be deducted for not writing them appropriately. Formulae: Q1(8+5+4)(CILO2) A=d(Dd)vTn=CAs=toS/SinS=Fs/Asfr=Cl/A=CE/gr A slot is made into a steel plate by slot milling operation (a type of peripheral milling). The slot is 200 mm long and 9mm deep. The cutting is performed with depth of cut =3mm and chip load (feed) = 0.25mm/rev/ tooth. The thickness of the slot cutter is 8mm, its diameter is 100mm and it has 4 teeth. The cutter obeys Taylor's equation such that C=20m/min,n=0.1, and tool life of cutter =10min, determine: (a) the material removal rate, (b) time required to make the slot, and (c) volume removed by one tool. Q2 (6+4)(CILO) The straight turning operation is performed on a 500mm long solid cylinder to reduce its diameter from 150mm to 130mm. (a) If operation is competed in 90min, what was the material removal rate. (b) In another turning operation, if this cylinder is machined with shear plane angle =25.4, width of cut w=3mm, chip thickness before cut t0=3mm, shear force =900N, what is the shear strength of the cylinder material