Coated tools are good at Production Engineering Mcqs April 29, 2019 BILAL KHATTAK0 A.reducing machining cost B.increasing surface finish on scoled surfaces C.reducing diffusion wear D.None of the aboveRelated Mcqs:Pneumatic tools find application in foundries normally forThe value of n in Manning’s formula for flow through channel is expected to be least in case ofThe cooling effect in a cooling tower can be increased byThe advantage of electroforming isThe stretching in a belt is controlled byGraphite is sprinkled on to the surface of green sand moulds toThe disadvantage of die casting process isWhich of the following is not necessarily the characteristic of investment casting?Tumbling is done toPiston ring are plated with chromium, cadmium or phosphate to