To prevent catastrophic thermal stress, industrial ceramic kilns must maintain a slow, steady cooling rate after firing. Computerized exhaust vents are programmed to open gradually only when the internal chamber temperature drops below 500 degrees Fahrenheit. If the vents open while the temperature is above this threshold, cool ambient air rushes in, causing rapid, uneven cooling that fractures the ceramic pieces. During yesterday's production cycle, several ceramic batches emerged with severe fractures, and diagnostic logs confirmed the exhaust vents had opened while the kiln was at 750 degrees Fahrenheit.
Based on the passage, which of the following can be logically concluded about yesterday's production cycle?
- AThe computerized exhaust vents opened gradually after the internal chamber temperature dropped below 500 degrees Fahrenheit.
- The ceramic batches fractured because cool air entered the chamber before the temperature reached a safe threshold.Cevap
- CThe severe structural fractures in the ceramic pieces forced the exhaust vents to open at 750 degrees Fahrenheit.
- DThe kiln operator intentionally disabled the temperature sensors to accelerate the overall production cycle.
Cevap
The ceramic batches fractured because cool air entered the chamber before the temperature reached a safe threshold.
The passage establishes that opening exhaust vents above 500 degrees Fahrenheit allows cool ambient air to enter, causing rapid cooling that fractures ceramics. Because diagnostic logs confirmed the vents opened at 750 degrees Fahrenheit and fractures occurred, it is logically deduced that the premature introduction of cool air caused the damage.
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Anahtar Kavram
Drawing logical deductions by connecting conditional rules to specific factual evidence.
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