For a roll of radius R, the entering and exiting material thickness is – McqOptions

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1.	For a roll of radius R, the entering and exiting material thickness is h1 and h2 respectively. What will be the total arc of contact between roll and material? h=h1-h2
A.	R( h)
B.	R( h)
C.	(R h)
D.	R( h)<sup>2</sup>
Answer» D. R( h)<sup>2</sup>

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