Arrange the metallurgical flow from raw ore to finished spare parts in the correct process order. a) Metal b) Alloy c) Ore d) Purification (refining) e) Spare parts
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Ac, a, b, d, e
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Bc, a, b, e, d
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Cc, d, a, b, e
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Dc, e, a, b, d
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Ed, c, a, b, e
Answer
Correct Answer: c, d, a, b, e
Explanation
Introduction / Context:Industrial production transforms natural ore into engineered components. Understanding the order helps in quality control and cost estimation.
Given Data / Assumptions:
- Ore is mined raw material.
- Purification/refining removes impurities after initial processing.
- Metal is the refined base substance.
- Alloy is a controlled mixture of metals for properties.
- Spare parts are manufactured from alloy/metal.
Concept / Approach:Follow material state changes: ore → refine → metal → alloy → finished parts.
Step-by-Step Solution:1) Ore (c).2) Purification/refining (d).3) Metal production (a).4) Alloying (b).5) Spare parts manufacturing (e).
Verification / Alternative check:Process flow charts for steel, aluminum, and copper industries adhere to this pattern.
Why Other Options Are Wrong:Placing alloy or metal before refining contradicts process feasibility; putting spare parts before alloy is impossible.
Common Pitfalls:Assuming purification and alloying are interchangeable; they occur at different stages with different goals.
Final Answer:c, d, a, b, e