Hot extrusion of aluminium is done in the temperature range of ________________ °C ?
Correct answer: C. 350-400
- A. 550-600
- B. 450-500
- C. 350-400
- D. 250-300
Explanation
Aluminium is commonly hot-extruded at roughly 350–400°C in basic manufacturing correlations. Higher temperatures can be used for some alloys, but among the given ranges, 350–400°C is the expected choice.
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