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Question
In sheet metal working, the spring back increase when
P. Ratio of bend radius to sheet thickness is small
Q. Young's modulus of the sheet is low
R. Yield strength of the sheet is high
S. Tension is applied during bending
In sheet metal working, the spring back increase when
P. Ratio of bend radius to sheet thickness is small
Q. Young's modulus of the sheet is low
R. Yield strength of the sheet is high
S. Tension is applied during bending
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Solution
The correct option is B Q,R
Spring back increases with increase in yield strength and decreases with increase in Young's modulus, and bend radius is in relation to the material thickness, greater the bend radius, greater is the spring back.
Spring back increases with increase in yield strength and decreases with increase in Young's modulus, and bend radius is in relation to the material thickness, greater the bend radius, greater is the spring back.
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