QUESTION 25 Properties of metal castings depend upon Size of the grains Shape of the grains Uniformity of the grains Chemical composition of the grains O All of the above QUESTION 26 While turning heat is mostly dissipated by Room temperature Tool speed The discarded chips The operator’s hand OUESTION
Expert Answer
25) All of the above
The properties of metal casting depends on all the above mentioned points. The size, shape, uniformity and chemical composition of grains
26) The discarded chips
The chips can that peeled off during the operation dissipate maximum heat in the entire operation in comparison to speed
OR
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