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When the material is entering the roller, what is the tension at the entry zone called?

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in Casting-Forming-Welding II by (119k points)
When the material is entering the roller, what is the tension at the entry zone called?

(a) Front tension

(b) Above tension

(c) Back tension

(d) Beneath tension

The question was asked in a national level competition.

My query is from Principle of Roll Pass in section Forming Process of Casting-Forming-Welding II

1 Answer

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Best answer
The correct choice is (c) Back tension

The explanation is: When the material is entering the roller, the tension experienced at the entering zone is called as back tension.

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