Discussion :: Workshop Technology
- Tandem drawing of wires and tubes is necessary because
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A.
It is not possible to reduce at one stage |
|
B.
Annealing is needed between stages |
|
C.
Accuracy in dimensions is not possible otherwise |
|
D.
Surface finish improves after every drawing stage |
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Answer : Option B
Explanation :
Tandem drawing is the drawing force of the process through two dies in tandem was evaluated by being compared with the drawing force of a conventional drawing process
Tandem drawing of wires and tubes is necessary because Annealing is needed between stages
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