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Why should the finishing of the core be made good enough?(a) The intricate shapes made are difficult for machine finishing(b) The size of the cavities and contours must be accurate to enable perfect assemblies(c) It reduces machining cost and time invested for that(d) All of the mentioned |
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Answer» The correct option is (d) All of the mentioned For explanation I would say: The cores are used where machining cost or time is the foundation or is difficult to achieve and hence finishing is done on the core itself. |
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