The maximum possible reduction (in 𝑚𝑚, rounded off to one decimal place) of a 100 mm thick slab during rolling is _______.

**Given: **The coefficient of friction between roll and the slab is 0.2, and the roll diameter is 200 mm.

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Correct answer is in the range of 3.6-4.2 @Digbijaya igit described it best. Thank you.

Correct answer is in the range of 3.6-4.2 digbijaya igit igit described it best. Thank you.

Maximum possible reduction is dependent on roll diameter and the coefficient of friction between rolls and the slab. Relation is ∇hmax = μ2R , so putting the values μ =0.2 and R=100 mm we will get ∇hmax = 4mm You can watch video of this solution as 15:40 https://www.youtube.com/watch?v=xpvU691n51QRead more

Maximum possible reduction is dependent on roll diameter and the coefficient of friction between rolls and the slab.

Relation is ∇h

_{max}= μ^{2}R , so putting the values μ =0.2 and R=100 mm we will get∇h

_{max }= 4mmYou can watch video of this solution as 15:40

https://www.youtube.com/watch?v=xpvU691n51Q&list=PLFS_xICJ_zVPwqvTZ6QToink9EOBilj-x&index=10

See lessThis answer was edited.Maximum possible reduction is Delta hmax = μ2R =0.22* 100 = 4mm

Maximum possible reduction is

Delta h

See less_{max }= μ^{2}R =0.2^{2}* 100 = 4mm