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The tungsten filament cathode is heated to what temperatures in EBM?(a) 1000 to 1500 ᵒC(b) 1500 to 2000 ᵒC(c) 2500 to 3000 ᵒC(d) 3500 to 5000 ᵒCI have been asked this question in an online interview.My question is from Electronbeam Machining-Introduction, Equipment and Material removal in chapter Thermal Processes of Advanced Machining

Answer» CORRECT ANSWER is (c) 2500 to 3000 ᵒC

Explanation: The TUNGSTEN FILAMENT cathode is heated to 2500 to 3000 ᵒC in Electron beam machining.


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