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The coefficient of friction for unaided bite should nearly be
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Dec 22, 2017
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chandu
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A strip is to be rolled from a thickness of 30 mm to 15m using a two-high mill having rolls of diameter 300mm. The coefficient of friction for unaided bite should nearly be
(a) 0.35 (b) 0.5
(c) 0.25 (d) 0.07
ies-objectives-2
2001
production
metal-forming
sheet-metal-operations
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