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Questions and Answers
What is the main disadvantage of hot rolling?
What is the main disadvantage of hot rolling?
- Product free of oxide scale
- Residual stresses in the product
- Characteristic oxide scale on the surface (correct)
- Close tolerances can be held
What shapes can be obtained directly from continuous casting?
What shapes can be obtained directly from continuous casting?
- Rod and bar
- Blooms, billets, and slabs (correct)
- Plate and tube
- Sheet and wire
What defines a slab in the context of rolling?
What defines a slab in the context of rolling?
- Thickness greater than 6 mm
- Square or rectangular cross section with width greater than thickness
- Thickness greater than 15 cm and width at most twice the thickness (correct)
- Circular cross section with width greater than thickness
Which product has a thickness range from 6 mm to 0.1 mm?
Which product has a thickness range from 6 mm to 0.1 mm?
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What is the defining characteristic of a bloom?
What is the defining characteristic of a bloom?
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In shape rolling, how is the work deformed?
In shape rolling, how is the work deformed?
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What is the defining characteristic of a billet?
What is the defining characteristic of a billet?
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In thread rolling, how are threads formed on the workpiece?
In thread rolling, how are threads formed on the workpiece?
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