Question: a) In electrical-discharge machine (EDM), list down TWO (2) functions of the dielectric fluid. (CO1/PO1/C1) (4 marks) b) With the help of schematic diagram,

a) In electrical-discharge machine (EDM), list down TWO (2) functions of the dielectric fluid. (CO1/PO1/C1) (4 marks) b) With the help of schematic diagram, explain the function of vacuum condition in Electron-beam Machining (EBM). (CO2/PO2/C5) (6 marks) c) Establish a general machining procedure of producing a gear using wire EDM. Support your explanation using an accurate schematic. (CO1/PO1/C5) (10 marks)

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