Answer :
Final answer:
A conventional oven cannot be used for sintering Zirconium due to its maximum temperature limit of 1200°C, which is below the required 1510°C. In addition, conventional ovens are slower compared to Speed Fire ovens, potentially increasing the sintering process time.
1 and 4 are correct
Explanation:
The primary reason we cannot use a conventional oven for this task is due to its inability to reach the required temperature for sintering Zirconium, which is 1510°C. Conventional ovens typically have a maximum temperature of about 1200°C, which is significantly lower than what is needed to sinter Zirconium. The practice of sintering involves high-temperature compaction of particles, and as such, accurate temperature control is crucial.
Furthermore, in comparison to a Speed Fire oven, a traditional oven operates slower. This could extend the time required for sintering, which might be impractical in a lab setting where efficiency and time control are paramount. It's crucial to remember that safety is vital when dealing with very high temperature objects to avoid burns.
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