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What will be the machining allowance for a bore of a 405mm cast iron object to be casted?(a) 1.0mm(b) 2.0mm(c) 3.0mm(d) 5.0mm |
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Answer» Correct answer is (d) 5.0mm For explanation I would say: The machining allowance for cast iron of various dimensions is shown in the table below. DIMENSIONS(mm) ALLOWANCE(mm) BORE SURFACE COPE SIDE upto 300 3.0 3.0 5.5 301-500 5.0 4.0 6.0 501-900 6.0 5.0 6.0 |
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